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D D T, in Drug .............................  514 / 748
D D V P, in Drug ...........................  514 / 136
D N A ......................................  536 / 23.1+
D N A Mimics ...............................  536 / 24.1
Dacron Insulated Cable .....................  174 / 100
DACRON™    (See Also Synthetic Resin .......  528 / 308.1
    Or natural rubber) .....................  528 / 308.1
Dado  
    Cutter .................................  144 / 222
    Lapped multiplanar surfacing ...........  52 / 536
    Machine ................................  144 / 133.1+
Daggers ....................................  30 / 295
Daguerreotypy ..............................  396 / 438
    Analysis and analytical control  
        Apparatus ..........................  422 / 50+
    Apparatus design .......................  D16
Dairy Type Bottles .........................  D09
Dairy, Food Treatment ......................  99 / 452+
Dam ........................................  405 / 107+
    Dental .................................  433 / 136+
    Mortar .................................  52 / 421
    Power extraction from water ............  405 / 78
Dampening (See Damper; Moistener; ..........  68 / 5 R
    Steaming) ..............................  68 / 5 R
    Consumable electrode electric lamp  
        Electromagnet feeding with .........  314 / 128
        Damping ............................  314 / 128
        Feed with damping ..................  314 / 99+
    Instrument mechanism damping ...........  73 / 430
        Bourdon tube .......................  73 / 739+
    Musical instrument damping .............  84
    Overhead electric conductor with .......  174 / 42
    Vibration damping ......................  174 / 42
    Paper making calender ..................  100 / 73+
    Planographic printing ..................  101 / 147+
        Copying apparatus ..................  101 / 132.5
    Pressure compensator  
        Pipes and tubular conduits .........  138 / 26+
        Pumps combined .....................  417 / 540+
    Vibration damping support ..............  248 / 562+
        Nonresilient .......................  248 / 636
        Resilient ..........................  248 / 562+
        Suspension .........................  248 / 610+
Damper  
    Ear sound stoppers .....................  128 / 864+
    Electric measuring instruments for .....  324 / 125
    Electric musical instrument for ........  84 / 600
        Envelope shaping (i.e., attack, ....  84 / 627
        Decay, sustain, or release) ........  84 / 627
        Envelope shaping (i.e., attack, ....  84 / 663
        Decay, sustain, or release) ........  84 / 663
        Envelope shaping (i.e., attack, ....  84 / 702
        Decay, sustain, or release) ........  84 / 702
        Envelope shaping (i.e., attack, ....  84 / 738
        Decay, sustain, or release) ........  84 / 738
        Volume control .....................  84 / 633
        Volume control .....................  84 / 665
        Volume control .....................  84 / 711
        Volume control .....................  84 / 741
    Electric winding for alternating .......  310 / 183+
    Or direct current dynamos ..............  310 / 183+
    Fluid damper for planetary gear ........  475 / 92
    Element ................................  475 / 92
    Flywheels having .......................  74 / 574.1+
    Furnace draft ..........................  110 / 163
    Heat exchanger .........................  165 / 69
    Impact absorption ......................  49 / 9
        By flexible barrier ................  49 / 9
        By plastic deformation .............  188 / 371+
        By resilient deformation ...........  188 / 268
    Inertial vibration damper ..............  188 / 378+
    Microphone or diaphragm ................  381 / 354
    Piano damper head and stems ............  84 / 255
        Harmonic ...........................  84 / 234
        Held ...............................  84 / 218
        Lifted .............................  84 / 217
    Railway truck ..........................  105 / 193
    Stove or furnace flue ..................  126 / 285 R+
        Open evaporating pans having .......  159 / 41
        Time controlled ....................  126 / 285.5
    Weighing scale .........................  177 / 184
    Zither .................................  84 / 287+
Damping Diode ..............................  313 / 317
    With emissive cathode ..................  313 / 310
    With thermionic cathode ................  313 / 310
    With two cathodes and anodes ...........  313 / 1
Dancing  
    Figure toys ............................  446 / 330+
    Shoes ..................................  36 / 8.3
    Teaching ...............................  434 / 250
Dandy Roll .................................  162 / 314
Dark  
    Cabinet photography ....................  396 / 589+
    Lantern with shutter or screens ........  362 / 167+
    Room  
        Illuminators .......................  362 / 293
        Ventilators ........................  454 / 49+
Darning  
    Knitting ...............................  66 / 2
    Last ...................................  223 / 100
    Sewing machines ........................  112 / 121
        Design .............................  D15 / 66+
        Elements ...........................  112 / 236
    Weaving ................................  139 / 33.5
Dart .......................................  473 / 578+
    Design .................................  D22 / 115
        Amusement devices ..................  D21 / 387
        Projector ..........................  D22 / 107
    Projector ..............................  124 / 22
    Targets ................................  273 / 348+
Dashboard ..................................  362 / 482
    Land vehicle ...........................  296 / 70+
    Lighting  
        Automobile .........................  362 / 23+
        Trolley car or rail car ............  362 / 478+
    Motor vehicle ..........................  180 / 90
Dasher  
    Food ...................................  366 / 69+
    Gas and liquid contact .................  261 / 32+
Dashpot  
    Check valve ............................  137 / 514+
    Closure check ..........................  16 / 82+
    Closure check brake type ...............  188 / 266+
    Door check and closer ..................  16 / 49+
    Electrode feed retarder ................  314 / 99+
    Electromagnetic electrode ..............  314 / 128
    Operator combined with .................  314 / 128
    Gas & liquid contact apparatus .........  261 / DIG 18
    Spring combined with ...................  267 / 195+
    Switch contact retarder ................  200 / 34
    Valve retarder .........................  251 / 48+
    Water closet elements ..................  4 / 248
    Water closet tank valve ................  4 / 388+
Dasymeters .................................  73 / 30.01+
Data Comparing  
    Calculator .............................  235 / 431
    Cards perforated sorting ...............  209 / 613
        Condition responsive ...............  209 / 554
    Lens ...................................  333 / 248+
    Meter fluid flow .......................  73 / 196+
    Punching machine .......................  234 / 34
Data Conversion  
    Analog to digital ......................  341 / 126+
    Card or tape punch .....................  234 / 69+
    Cryptographic ..........................  380
    Digital to analog ......................  341 / 126+
    Digital to digital .....................  341 / 50+
    Radix conversion .......................  341 / 50+
    With card or type punch ................  234 / 69+
    With computation .......................  341 / 75+
    With visual display ....................  345+
Data Handling  
    For voting, computerized ...............  705 / 12
    Selective punching .....................  234
        Storage ............................  234 / 55+
Data Presentation ..........................  358 / 1.1+
Data Processing, Electrical ................  700
    Applications ...........................  700 / 90+
        Product assembly or ................  700 / 95+
        Manufacturing ......................  700 / 95+
    Business management ....................  705 / 1+
    Business, using cryptography ...........  705 / 50
        Data distribution ..................  705 / 51
            Copy protection or prevention ..  705 / 57
            Using a program or origin ......  705 / 58
            Identifier .....................  705 / 58
            Licensing ......................  705 / 59
            Requiring additional user ......  705 / 55
            Input for authorization ........  705 / 55
            Requiring additional user inpu .  705 / 55
            Specific computer id ...........  705 / 56
            With usage or charge ...........  705 / 52
        Determination ......................  705 / 52
            Multi-layered rights for use ...  705 / 54
            Third party billing ............  705 / 53
        Electronic negotiation .............  705 / 80
        Home banking .......................  705 / 70
        Initializing .......................  705 / 73
        Key management .....................  705 / 71
        Postage meters .....................  705 / 60
            Data protection ................  705 / 405
            Including printing or ..........  705 / 62
            Verification of mark ...........  705 / 62
            Reloading or recharging ........  705 / 61
        Radio communication ................  705 / 73
        Secure transactions ................  705 / 64
            Able to use multiple cards .....  705 / 73
            Anonymous user .................  705 / 74
            Authorization to proceed .......  705 / 76
            Charge determination at ........  705 / 77
            Remote site ....................  705 / 77
            Communication between two ......  705 / 79
            Financial networks .............  705 / 79
            With third party ...............  705 / 78
        Specialized keypad .................  705 / 73
        Specialized terminal ...............  705 / 73
        Transaction confirmation ...........  705 / 75
        Verification of pin ................  705 / 72
        With intelligent token .............  705 / 65
            Balancing account ..............  705 / 68
            Detecting double spending ......  705 / 69
            Initializing or reloading ......  705 / 66
            With authentication ............  705 / 67
        Utility metering ...................  705 / 63
    Calibration or correction system .......  702 / 85+
    Computers, generic control .............  700 / 1+
    Controlled by record means .............  235 / 375+
    Electrical computers and ...............  706
    Financial ..............................  705 / 35+
    General purpose digital data ...........  706
    Processors .............................  706
    Graphics ...............................  345 / 418+
    Measuring system .......................  702 / 127+
    Measuring system in a ..................  702 / 1+
    Specific environment ...................  702 / 1+
    Microprocessors ........................  706
    Programmed processing ..................  706
    Selective punching, for ................  234 / 55+
    Synchronous transmission of digital ....  375 / 354+
    Data ...................................  375 / 354
    Testing system .........................  702 / 108+
    Text/document ..........................  715 / 200+
    Three dimensional ......................  345 / 419+
    Video color signal derived by data .....  348 / 571+
    Processor ..............................  348 / 571+
Data Processing, Non-Electrical ............  705 / 500
Data Storage  
    Dynamic information storage or .........  369
    Retrieval ..............................  369
        Magnetic ...........................  360
        Optical ............................  720
    Registers electrical ...................  377
    Registers mechanical ...................  235
    Static information storage or ..........  365
    Retrieval ..............................  365
Dauber .....................................  15 / 209.1+
    Animal antivermin treatment ............  119 / 652
    Polisher combined ......................  15 / 107+
        Kit including polish ...............  401 / 118+
    Supply container closure attached ......  401 / 126+
Daunomycinone ..............................  552 / 201
Davenports, I.E., Sofa Beds ................  5 / 12.1+
Davit ......................................  114 / 368+
Davy Lamp ..................................  362 / 164+
Day Beds ...................................  5 / 12.1+
DC to AC Chopper ...........................  363 / 124+
Dead Bolt for Lock .........................  70 / 113+
Dead Center Overcoming .....................  74 / 36
Dead End Connector Cord Holder .............  24 / 115 R+
Dead Man Type Anchor .......................  52 / 166
Dead Mans Switch ...........................  191 / 1 R
    Switch structure .......................  200
Deadeners (See Dampening)  
    Gearing having plural sections .........  74 / 443
    Railway  
        Car wheel ..........................  295 / 7
        Cushioning of track ................  238 / 283+
        Rolling stock ......................  105 / 452
        Track ..............................  238 / 382
Dealkylation (See Cracking)  
    Aromatic hydrocarbon synthesis .........  585 / 483
    Foam breaking ..........................  516 / 115+
    Mineral oil ............................  208 / 46+
Debarking ..................................  144 / 340
Debit Account  
    Used at point of sale terminal .........  705 / 17
Deboning  
    Carcasses ..............................  452 / 135+
Debris Accumulating Pencil .................  30 / 453+
    Sharpener ..............................  30 / 453+
Debris Control .............................  29 / DIG 50
    Chutes .................................  29 / DIG 102
    Receptacle, remover ....................  29 / DIG 79
    Remover, catcher, deflector ............  29 / DIG 94
    Remover, plural type ...................  29 / DIG 61
    Separators from workpiece ..............  29 / DIG 53
Decade Counter  
    Electronic tube type ...................  377 / 103
    Gas tube ...............................  315
    Oscillator .............................  377
Decahydronaphthalene  
    (See alicyclic hydrocarbon)  
    Naphthalene hydrogenation ..............  585 / 266+
    Synthesis ..............................  585 / 350+
        Hydrogenation of unsaturated .......  585 / 266+
        Hydrocarbon ........................  585 / 266+
Decal See Decalcomania  
Decalcomania (See Transfer) ...............  D20 / 11
    Exposable adhesive layer ...............  428 / 40.1+
    Fraud or tamper detecting ..............  428 / 915*
    Made by coating ........................  427 / 147+
    Process of transfer ....................  156 / 230+
    Stock material .........................  428 / 914*
Decalin (See Alicyclic Hydrocarbon)  
Decanter  
    Coffee .................................  222 / 475.1
    Design .................................  D07 / 300+
    Distillation systems separatory ........  202 / 204
    Filter combined ........................  210 / 299+
        Heating means ......................  210 / 182+
    Gas and liquid contact .................  261 / 7+
    Liquid separation ......................  210 / 513+
    Starch .................................  127 / 27
Decanting ..................................  210 / 767+
    Filtering combined .....................  210 / 806
Decapitator  
    Chicken ................................  452 / 64
    Fish ...................................  452 / 166+
Decarbonizing  
    Absorbents .............................  502 / 20+
    Catalysts ..............................  502 / 20+
    Mineral oil vaporizing combined ........  208 / 347+
        Apparatus ..........................  196 / 122
        Conversion combined ................  208 / 48 R
    Processes ..............................  134 / 39
        Heating combined ...................  134 / 20
    Stills .................................  201 / 2
        Apparatus ..........................  202 / 241
Decarboxylation Aromatic ...................  562 / 479
    Polycarboxylic acid ....................  562 / 479
Deceleration (See Acceleration)  
Decelerometer ..............................  73 / 514.01+
Decibel Meter  
    Meter movement .........................  324 / 76.11+
    Sound loudness measurement .............  73 / 646
Decimal Point on Calculators ...............  235 / 61 DP
    Binary coded ...........................  377 / 33
    Elimination ............................  235 / 63 DE
    Locators ...............................  235 / 64.3
Deciphering See Cryptography  
Deck  
    Bridge .................................  14 / 6
    Railroad  
        Freight cars with ..................  105 / 370
        Convertible decks ..................  105 / 370
        Livestock carrying cars with .......  119 / 406+
        Passenger cars double decked .......  105 / 340
    Ship ...................................  114 / 85
    Type insulator for antenna .............  174 / 158 R
Deckling  
    Paper making  
        Finishing ..........................  162 / 286
        Web forming ........................  162 / 310
    Pinking shears .........................  30 / 229+
    Sheet  
        Cutting ............................  83
        Tearing ............................  225
Decladding Nuclear Fuel ....................  252 / 625
Decoding (See Cryptography)  
Decollator .................................  270
    Web ....................................  270 / 52.01+
Decolorizing (See Bleaching)  
    Liquids ................................  210 / 660+
        X-art collection ...................  210 / 917+
Decomposing Fat ............................  554 / 160
Decoration (See Article By Name;  
    Ornament)  
    Bow rosette, pompon ....................  428 / 4+
    Collapsible ............................  428 / 12
    Displays and exhibitors ................  40 / 406+
        With special effects ...............  40 / 427+
    Feathers and plumes ....................  428 / 6
    Festoon ................................  428 / 10
        Collapsible ........................  428 / 9
    Filamentary ............................  428 / 542.6
    Flora, artificial ......................  428 / 17+
    Lamp housing ...........................  362 / 362+
    Lights .................................  362 / 227+
        X-art collection ...................  362 / 806*
    Party type .............................  428 / 7+
    Pole, cap ..............................  52 / 301
    Roof finial or cresting ................  52 / 57
    Sheet-form .............................  428 / 542.6
    Trimming for clothing ..................  2 / 244
    Trimming for hat .......................  2 / 175.3
    Trimstrip for building .................  52 / 716.1+
Decorticating ..............................  19 / 5 R+
Decoupling Filter ..........................  333 / 181+
Decoy  
    Design .................................  D22 / 125+
    Trapping ...............................  43 / 2+
    War training ...........................  434 / 11
Deep Drawing Metal .........................  72 / 347+
Deer Sling .................................  224 / 101+
Defecating Apparatus .......................  127 / 11+
Defect Coating .............................  430 / 938*
Defiberizers ...............................  241
Deflating Tool for Resilient Tires .........  81 / 15.4
Deflection  
    Cathode ray stream .....................  313 / 421+
    Cathode ray stream .....................  315 / 399
    Gas separation apparatus ...............  96 / 396+
        Gas separation processes ...........  95 / 267+
        Liquid treatment ...................  96 / 243+
    Lamp arc ...............................  313 / 153+
        Consumable electrode ...............  314 / 20
    Solid separator  
        Gas suspension .....................  209 / 143+
        Liquid suspension ..................  209 / 210
    Testing ................................  73 / 849+
    Wind motor wheel .......................  416 / 9+
Deflector  
    Bearing lubricator .....................  384 / 322+
    Blowpipe nozzle ........................  239 / 461+
    Breath .................................  128 / 863
    Drip ...................................  52 / 97
    Fluid distributor ......................  239 / 461+
    Fluid fuel burner nozzle ...............  239 / 461+
    Furnace air ............................  110 / 310+
    Gas separation apparatus ...............  55 / 434+
        Gas sparation processes ............  95 / 267+
    Pipe ...................................  138 / 37+
    Plant ..................................  172 / 517
    Scouring dredger with current ..........  37 / 342+
    Ship armor .............................  114 / 10
    Sprinkler combined .....................  239 / 461+
    Water motor ............................  416 / 9+
    Windmill ...............................  416 / 9+
    Window wind ............................  454 / 196+
        Vehicle ............................  454 / 69+
Deflocculation  
    Liquid separation ......................  210 / 696+
    Solid separation .......................  209 / 5
Defoliants .................................  504 / 162+
Deforming  
    Metal ..................................  72
        Casting combined ...................  29 / 527.5+
    Plastics  
        Apparatus ..........................  425
        Processes ..........................  264
    Single roll per se .....................  492 / 1+
Defribrillators ............................  607 / 5+
Defroster  
    Electrical resistance heaters ..........  219 / 203
    Heat applying window cleaner ...........  15 / 250.05
    Material applying window cleaner .......  15 / 250.01
    Refrigerator design ....................  D08 / 29.2
    Surface heater .........................  126 / 271.1+
    Vehicle power plant heater .............  237 / 12.3 A
    Combined ...............................  237 / 12.3 A
    Window .................................  52 / 171.2+
        Building type ......................  454 / 198
        Vehicle type .......................  454 / 121+
Defrosting  
    Defrosting device ......................  D08 / 29.2
    Heat pump ..............................  165 / 231
    Refrigeration apparatus ................  62 / 272+
        Automatic ..........................  62 / 151+
        Automatic, frost initiated .........  62 / 140
        Frost indicator ....................  62 / 128
        Process ............................  62 / 80+
Degasification .............................  588
    Hazardous or toxic waste ...............  588
    Degasification .........................  588
Degasifying Liquids  +
    Apparatus ..............................  96 / 155+
    Process ................................  95 / 241+
Degassers ..................................  261 / DIG 19
Degaussing See Demagnetizing  
    Means in cathode ray tube circuit ......  315 / 8
    Television .............................  361 / 150
    Torpedo nets ...........................  114 / 240 R
Degradability Enhanced Synthetic ...........  523 / 124+
    Resin or natural rubber composition ....  523 / 124+
    Cellular product .......................  521 / 916*
Degreasing  
    Distillation  
        Still and extractor ................  202 / 168+
        Still extractor ....................  202 / 170
    Solids .................................  134
    Textiles ...............................  8 / 139+
Degumming ..................................  8 / 138
    Dyeing combined ........................  8
Dehalogenation  
    Hazardous or toxic waste ...............  588 / 300+
    Destruction ............................  588 / 300+
    Preparation of epoxy compounds .........  549 / 518+
    Preparation of olefines ................  585 / 641+
    Preparation of unsaturated esters ......  560 / 213
Dehorners  
    Electric heater type ...................  606 / 164
    Hand tool ..............................  30
Dehumidifier ...............................  D23 / 359+
Dehydrating Oil  
    Fatty oils .............................  554 / 223+
    Mineral oil ............................  208 / 187+
        Electrical separation ..............  204 / 559+
        Electrophoretic or .................  204 / 513+
        Electroosmotic .....................  204 / 513+
Dehydration (See Drier)  
    Acid anhydrides by .....................  562 / 869+
    Acyclic ketones from alcohols ..........  568 / 403+
    Aldehydes from alcohols ................  568 / 485+
    Compositions ...........................  252 / 194
    Concentrating evaporating ..............  159
    Distillation ...........................  203 / 12+
    Fatty oils or acids ....................  554 / 24+
    Foods ..................................  426 / 443+
        Apparatus ..........................  99 / 467
    Gas or vapor contact with solids .......  34
    Gas separation .........................  95
        Refrigeration combined .............  62 / 271
        Refrigeration combined process .....  62 / 93+
    Hydrocarbon  
        Electrical .........................  204 / 559+
        Oil  
            Electrophoretic or .............  204 / 513+
            Electroosmotic .................  204 / 513+
    Mineral oils ...........................  208 / 187+
    Olefine production by ..................  585 / 638
    Refrigerant ............................  62 / 474+
        Automatic ..........................  62 / 195
        Process ............................  62 / 85
Dehydroabietic Acid ........................  562 / 404
Dehydroandrosterone ........................  552 / 636
7-Dehydrocholesterol .......................  552 / 547
Dehydrogenation  
    Acyclic ketones from alcohols ..........  568 / 403+
    Aldehydes from alcohols ................  568 / 485+
    Aromatic hydrocarbon synthesis .........  585 / 440
    Diolefin hydrocarbon synthesis .........  585 / 616+
    Esters from alcohols ...................  560 / 239
    Mineral oil ............................  208 / 46+
    Olefines from hydrocarbons .............  585 / 654+
    Synthesis aromatic from alicyclic ......  585 / 430
Dehydrohalogenation  
    Alicyclic hydrocarbon synthesis ........  585 / 359
    Diolefin hydrocarbon synthesis .........  585 / 612
    Olefin hydrocarbon synthesis ...........  585 / 641+
Dehydrothiotoluidine Azo Compounds .........  534 / 800
Deicer See Thawing  
    Aircraft ...............................  244 / 134 C
    Antenna ................................  343 / 704
    Carburetors ............................  261 / DIG 20
    Combustion product as motive fluid .....  60 / 39.093
    Trolley collector head .................  191 / 62
Deinking  
    Paper stock ............................  162 / 4+
    Textiles ...............................  8 / 137
Delasting ..................................  12 / 15.1
Delay Networks  
    Delay lines including  
        A lumped parameter .................  333 / 138+
        Elastic bulkwave propagation .......  333 / 141+
        Means ..............................  333 / 141+
        Elastic surface wave ...............  333 / 150+
        Propagation means ..................  333 / 150+
        Long line elements .................  333 / 156+
    Electronic system ......................  327 / 261+
Delinter ...................................  19 / 40+
    Carbonizing processes ..................  8 / 140
Delinting Cotton Seed ......................  47 / 1.01 R
    Processes ..............................  47 / 58.1 R
        Fluid treatment ....................  8 / 140
Delivery  
    Collection receptacle ..................  232
        Coins ..............................  232 / 64+
        Letter box chute ...................  232 / 53
    Conveyer ...............................  198
        Carrier controlled selective .......  198 / 570+
    Coordinating among several dining ......  705 / 15
    Establishments .........................  705 / 15
    Dumping vehicle with chute .............  298 / 7
    Letter box .............................  232 / 17+
    Mail from aircraft .....................  258 / 1.2+
    Planting chute .........................  111 / 76
    Railway mail ...........................  258
    Railway selective ......................  104 / 88.01+
    Record holder ..........................  312 / 9.11+
    Sheet ..................................  271 / 278+
    Store service ..........................  186 / 3
DELRIN™    (Polyoxymethylene) ..............  528 / 270
Delustering  
    Cellulose ether or ester ...............  106 / 168.01+
    Compositions ...........................  106 / 168.01+
        Viscose ............................  106 / 166.01+
    Coating or impregnating processes ......  427 / 170
Demagnetizing ..............................  361 / 267
    Demagnitizer ...........................  D13 / 183
    Erase,head .............................  360 / 118
    General recording biasing,erasing ......  360 / 66
    Of clocks ..............................  968 / 783
    Sorting treatment ......................  209 / 8
Demijohns See Carboy .......................  D09 / 517
Demodulator ................................  329
Demonstrating Apparatus or Product .........  434 / 365+
Demonstrator Radioactivity  
    (See radioactivity demonstrator)  
Demountable Rim ............................  301 / 10.1+
Demulsifying Compositions ..................  516 / 135+
Denatured Compositions .....................  252 / 365
    Alcohol ................................  252 / 366
Densitometer  
    Emulsion exposing printer ..............  396 / 563
    Emulsion opaqueness measuring ..........  356 / 436+
Density  
    Analysis gas ...........................  73 / 30.01+
    Analysis liquids .......................  73 / 32 R+
Dent Remover Sheet Metal ...................  72 / 457
Dental and Dentistry .......................  433
    Amalgams and alloys ....................  420 / 526
        Amalgam mixer, eg dental filling ...  366 / 602*
    Apparatus,fixed ........................  D24 / 176+
    Apparatus,portable .....................  D24 / 152+
    Appliance manufacturing ................  29 / 896.1+
    Cabinet ................................  312 / 209
    Cassettes ..............................  378 / 168
    Chairs .................................  297 / 68+
        Design .............................  D06 / 334
    Compositions ...........................  106 / 35
    Containers for dental use ..............  206 / 63.5
    Dentures ...............................  433 / 167+
    Die shaping ............................  72
    Engines ................................  433 / 103+
    Equipment stands .......................  433 / 25+
    Fillings ...............................  433 / 226+
    Floss ..................................  132 / 321
        Holders ............................  132 / 323+
            Design .........................  D28 / 66+
    Impression devices .....................  433 /