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U.S. PATENT AND TRADEMARK OFFICE
Electronic Information Products Division
Patent Technology Monitoring Branch (PTMB)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2001 - 2005 Utility Patent Grants,
By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

SOUTH KOREA

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 2001 2002 2003 2004 2005 Total
438 Semiconductor Device Manufacturing: Process 455 483 456 503 466 2363
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 147 206 244 247 260 1104
365 Static Information Storage and Retrieval 216 194 159 199 232 1000
349 Liquid Crystal Cells, Elements and Systems 84 110 170 227 270 861
313 Electric Lamp and Discharge Devices 60 86 130 139 106 521
370 Multiplex Communications 63 104 105 108 103 483
345 Computer Graphics Processing and Selective Visual Display Systems 89 96 78 99 115 477
455 Telecommunications 76 78 74 107 97 432
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 101 70 62 78 83 394
369 Dynamic Information Storage or Retrieval 65 71 84 94 70 384
375 Pulse or Digital Communications 88 68 58 75 86 375
348 Television 83 67 68 63 44 325
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 58 63 60 73 51 305
219 Electric Heating 34 54 37 76 91 292
062 Refrigeration 31 54 58 73 69 285
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 46 58 68 64 47 283
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 47 53 62 65 44 271
315 Electric Lamp and Discharge Devices: Systems 39 38 61 71 46 255
359 Optics: Systems and Elements 40 30 48 49 74 241
532 Organic Compounds (includes Classes 532-570) 48 64 58 31 37 238
385 Optical Waveguides 42 36 42 48 52 220
399 Electrophotography 50 29 22 53 57 211
361 Electricity: Electrical Systems and Devices 52 31 42 38 40 203
428 Stock Material or Miscellaneous Articles 27 44 37 43 42 193
714 Error Detection/Correction and Fault Detection/Recovery 34 36 37 42 37 186
347 Incremental Printing of Symbolic Information 30 46 25 31 36 168
382 Image Analysis 32 22 43 36 35 168
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 25 35 35 36 32 163
324 Electricity: Measuring and Testing 22 35 31 34 39 161
310 Electrical Generator or Motor Structure 17 24 31 41 29 142
029 Metal Working 17 32 30 22 36 137
386 Television Signal Processing for Dynamic Recording or Reproducing 24 28 17 43 24 136
417 Pumps 12 25 30 39 25 131
435 Chemistry: Molecular Biology and Microbiology 32 26 25 20 26 129
250 Radiant Energy 20 24 26 28 22 120
341 Coded Data Generation or Conversion 20 22 15 26 35 118
360 Dynamic Magnetic Information Storage or Retrieval 46 23 14 17 16 116
073 Measuring and Testing 22 19 16 22 28 107
343 Communications: Radio Wave Antennas 21 7 24 19 30 101
379 Telephonic Communications 11 22 21 20 27 101
710 Input/Output (Electrical Computers and Digital Processing Systems) 23 12 15 27 24 101
123 Internal-Combustion Engines 10 11 21 26 30 98
700 DP: Generic Control Systems or Specific Applications (Data Processing) 28 17 20 15 14 94
015 Brushing, Scrubbing, and General Cleaning 6 8 29 22 28 93
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 20 12 14 31 16 93
326 Electronic Digital Logic Circuitry 26 16 18 18 12 90
296 Land Vehicles: Bodies and Tops 19 33 13 9 15 89
720 Dynamic Optical Information Storage or Retrieval 10 25 12 20 22 89
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 16 14 13 22 23 88
711 Memory (Electrical Computers and Digital Processing Systems) 15 11 19 17 25 87
427 Coating Processes 10 18 17 22 17 84
118 Coating Apparatus 16 16 13 15 23 83
318 Electricity: Motive Power Systems 19 14 19 14 17 83
128 Surgery (includes Class 600) 9 20 21 21 8 79
362 Illumination 5 8 12 22 30 77
358 Facsimile and Static Presentation Processing 22 15 18 9 10 74
713 Support (Electrical Computers and Digital Processing Systems) 24 11 11 13 15 74
702 DP: Measuring, Calibrating, or Testing (Data Processing) 5 9 11 21 26 72
280 Land Vehicles 8 15 10 12 26 71
340 Communications: Electrical 16 9 12 17 16 70
333 Wave Transmission Lines and Networks 7 14 24 12 12 69
451 Abrading 11 7 20 11 20 69
252 Compositions 12 12 20 14 10 68
330 Amplifiers 7 8 11 20 22 68
445 Electric Lamp or Space Discharge Component or Device Manufacturing 13 4 13 15 19 64
707 DP: Database and File Management or Data Structures (Data Processing) 7 12 9 15 19 62
356 Optics: Measuring and Testing 3 14 8 18 18 61
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 15 9 15 15 6 60
439 Electrical Connectors 11 8 12 15 13 59
074 Machine Element or Mechanism 11 18 13 1 14 57
353 Optics: Image Projectors 2 12 10 14 19 57
372 Coherent Light Generators 5 9 15 14 12 55
398 Optical Communications 8 13 12 9 12 54
002 Apparel 9 10 6 14 14 53
210 Liquid Purification or Separation 14 12 7 13 6 52
165 Heat Exchange 3 9 9 16 14 51
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 7 6 16 12 51
381 Electrical Audio Signal Processing Systems and Devices 5 11 18 12 4 50
134 Cleaning and Liquid Contact with Solids 8 7 11 13 10 49
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 6 7 8 9 18 48
475 Planetary Gear Transmission Systems or Components 12 14 11 5 5 47
501 Compositions: Ceramic 8 12 10 10 7 47
363 Electric Power Conversion Systems 16 11 2 6 11 46
174 Electricity: Conductors and Insulators 12 9 7 8 9 45
034 Drying and Gas or Vapor Contact with Solids 2 6 9 13 14 44
331 Oscillators 6 9 7 11 10 43
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 7 6 8 12 10 43
204 Chemistry: Electrical and Wave Energy 10 9 4 11 8 42
271 Sheet Feeding or Delivering 12 3 9 7 11 42
423 Chemistry of Inorganic Compounds 9 7 13 6 7 42
055 Gas Separation 3 6 16 8 8 41
242 Winding, Tensioning, or Guiding 7 13 7 4 10 41
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 6 9 8 12 5 40
248 Supports (e.g., for holding articles, etc.) 6 11 11 5 7 40
320 Electricity: Battery or Capacitor Charging or Discharging 7 12 6 11 4 40
016 Miscellaneous Hardware 7 6 8 12 6 39
216 Etching a Substrate: Processes 5 11 6 12 4 38
068 Textiles: Fluid Treating Apparatus 8 12 6 5 6 37
099 Foods and Beverages: Apparatus 6 10 7 6 8 37
137 Fluid Handling 6 6 6 11 8 37
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 7 11 7 8 4 37
708 Arithmetic Processing and Calculating (Electrical Computers) 14 8 5 7 3 37
477 Interrelated Power Delivery Controls, Including Engine Control 5 11 11 7 2 36
052 Static Structures (e.g., Buildings) 6 11 7 4 5 33
180 Motor Vehicles 4 6 10 6 6 32
418 Rotary Expansible Chamber Devices 5 6 4 9 8 32
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 10 4 10 1 6 31
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 7 7 6 5 4 29
148 Metal Treatment 7 4 5 7 6 29
200 Electricity: Circuit Makers and Breakers 4 4 6 10 5 29
222 Dispensing (apparatus and process) 3 8 3 7 8 29
004 Baths, Closets, Sinks, and Spittoons 3 5 12 3 5 28
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 7 5 6 5 5 28
426 Food or Edible Material: Processes, Compositions, and Products 9 6 5 4 4 28
065 Glass Manufacturing 2 8 9 5 3 27
060 Power Plants 7 2 1 5 11 26
206 Special Receptacle or Package 8 5 6 2 5 26
297 Chairs and Seats 6 3 6 5 6 26
351 Optics: Eye Examining, Vision Testing and Correcting 3 6 2 9 6 26
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 2 3 8 8 25
323 Electricity: Power Supply or Regulation Systems 8 3 6 3 5 25
725 Interactive Video Distribution Systems 8 3 1 7 6 25
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 2 7 5 7 24
132 Toilet 6 8 3 3 4 24
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 9 7 3 2 24
401 Coating Implements with Material Supply 2 6 8 5 3 24
188 Brakes 7 6 3 1 6 23
400 Typewriting Machines 4 4 4 6 5 23
414 Material or Article Handling 6 5 7 2 3 23
473 Games Using Tangible Projectile 5 3 4 9 2 23
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 5 5 3 6 4 23
431 Combustion 4 6 1 7 4 22
220 Receptacles 6 6 1 7 1 21
285 Pipe Joints or Couplings 2 9 2 4 4 21
396 Photography 5 7 2 6 1 21
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 5 2 6 3 21
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 2 6 7 3 21
221 Article Dispensing 4 3 7 3 3 20
312 Supports: Cabinet Structure 3 5 2 9 1 20
416 Fluid Reaction Surfaces (i.e., Impellers) 6 3 2 6 3 20
446 Amusement Devices: Toys 3 2 2 10 3 20
604 Surgery (Medicators and Receptors) 2 8 6 1 3 20
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 2 8 7 2 20
106 Compositions: Coating or Plastic 2 3 6 2 6 19
228 Metal Fusion Bonding 6 1 5 4 3 19
239 Fluid Sprinkling, Spraying, and Diffusing 3 4 0 5 7 19
355 Photocopying 2 2 1 8 6 19
376 Induced Nuclear Reactions: Processes, Systems, and Elements 3 3 3 7 3 19
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 4 6 4 4 19
072 Metal Deforming 2 8 6 2 0 18
336 Inductor Devices 1 2 3 3 9 18
415 Rotary Kinetic Fluid Motors or Pumps 3 6 1 3 5 18
606 Surgery (instruments) 3 3 7 2 3 18
040 Card, Picture, or Sign Exhibiting 2 3 4 1 7 17
049 Movable or Removable Closures 0 3 6 5 3 17
084 Music 3 4 4 4 2 17
307 Electrical Transmission or Interconnection Systems 2 4 5 5 1 17
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 3 3 6 3 17
405 Hydraulic and Earth Engineering 2 2 8 2 3 17
433 Dentistry 5 3 4 0 5 17
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 4 2 4 2 5 17
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 3 1 8 0 5 17
024 Buckles, Buttons, Clasps, Etc. 4 2 5 3 2 16
033 Geometrical Instruments 4 3 1 3 5 16
036 Boots, Shoes, and Leggings 2 6 1 3 4 16
053 Package Making 7 2 4 1 2 16
092 Expansible Chamber Devices 3 2 5 3 3 16
378 X-Ray or Gamma Ray Systems or Devices 3 8 1 3 1 16
392 Electric Resistance Heating Devices 5 4 3 3 1 16
083 Cutting 3 1 3 8 0 15
095 Gas Separation: Processes 1 4 3 4 3 15
096 Gas Separation: Apparatus 1 3 1 3 7 15
192 Clutches and Power-Stop Control 2 7 2 3 1 15
434 Education and Demonstration 4 2 2 2 5 15
454 Ventilation 4 5 2 1 3 15
607 Surgery: Light, Thermal, and Electrical Application 5 2 6 0 2 15
126 Stoves and Furnaces 2 3 3 1 5 14
135 Tent, Canopy, Umbrella, or Cane 2 3 4 3 2 14
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 10 2 1 1 0 14
482 Exercise Devices 3 2 3 2 4 14
070 Locks 4 4 2 1 2 13
112 Sewing 3 1 0 7 2 13
181 Acoustics 3 3 5 2 0 13
184 Lubrication 4 3 3 2 1 13
251 Valves and Valve Actuation 2 3 2 2 4 13
303 Fluid-Pressure and Analogous Brake Systems 4 3 3 2 1 13
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 0 2 6 3 12
368 Horology: Time Measuring Systems or Devices 3 3 3 1 2 12
384 Bearings 0 4 3 2 3 12
030 Cutlery 5 2 0 1 3 11
101 Printing 2 1 5 2 1 11
122 Liquid Heaters and Vaporizers 0 2 2 1 6 11
273 Amusement Devices: Games 2 1 3 4 1 11
294 Handling: Hand and Hoist-Line Implements 2 3 2 0 4 11
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 4 3 0 3 11
051 Abrasive Tool Making Process, Material, or Composition 0 4 3 2 1 10
164 Metal Founding 3 0 2 2 3 10
266 Metallurgical Apparatus 4 2 3 0 1 10
374 Thermal Measuring and Testing 1 1 0 3 5 10
380 Cryptography 2 1 2 2 3 10
005 Beds 0 1 1 5 2 9
102 Ammunition and Explosives 1 3 4 1 0 9
198 Conveyors: Power-Driven 2 0 4 3 0 9
211 Supports: Racks 4 0 0 1 4 9
290 Prime-Mover Dynamo Plants 1 0 2 3 3 9
292 Closure Fasteners 1 3 2 2 1 9
403 Joints and Connections 2 0 3 3 1 9
419 Powder Metallurgy Processes 1 2 3 2 1 9
463 Amusement Devices: Games 1 3 2 2 1 9
601 Surgery: Kinesitherapy 1 2 5 1 0 9
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 1 5 1 1 9
726 Information Security 1 0 5 3 0 9
057 Textiles: Spinning, Twisting, and Twining 4 3 1 0 0 8
108 Horizontally Supported Planar Surfaces 2 0 3 2 1 8
138 Pipes and Tubular Conduits 2 2 2 1 1 8
261 Gas and Liquid Contact Apparatus 0 2 0 2 4 8
267 Spring Devices 2 2 2 0 2 8
404 Road Structure, Process, or Apparatus 0 0 3 2 3 8
420 Alloys or Metallic Compositions 2 1 3 1 1 8
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 2 3 1 7
432 Heating 2 2 0 2 1 7
436 Chemistry: Analytical and Immunological Testing 2 2 0 1 2 7
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 1 3 1 1 7
504 Plant Protecting and Regulating Compositions 2 2 0 2 1 7
066 Textiles: Knitting 1 2 0 2 1 6
125 Stone Working 0 2 4 0 0 6
169 Fire Extinguishers 0 1 2 2 1 6
236 Automatic Temperature and Humidity Regulation 1 1 1 1 2 6
237 Heating Systems 0 0 2 3 1 6
241 Solid Material Comminution or Disintegration 2 2 0 0 2 6
453 Coin Handling 1 0 2 2 1 6
585 Chemistry of Hydrocarbon Compounds 1 1 1 0 3 6
602 Surgery: Splint, Brace, or Bandage 1 0 3 1 1 6
717 DP: Software Development, Installation, and Management (Data Processing) 4 1 0 0 1 6
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 0 0 4 1 6
081 Tools 2 0 0 1 2 5
091 Motors: Expansible Chamber Type 0 0 0 1 4 5
110 Furnaces 3 1 0 0 1 5
119 Animal Husbandry 0 3 1 1 0 5
136 Batteries: Thermoelectric and Photoelectric 0 2 2 1 0 5
150 Purses, Wallets, and Protective Covers 3 0 1 1 0 5
160 Flexible or Portable Closure, Partition, or Panel 0 0 1 2 2 5
162 Paper Making and Fiber Liberation 3 1 1 0 0 5
173 Tool Driving or Impacting 2 1 1 0 1 5
209 Classifying, Separating, and Assorting Solids 2 1 0 1 1 5
226 Advancing Material of Indeterminate Length 1 0 1 2 1 5
301 Land Vehicles: Wheels and Axles 0 0 1 1 3 5
332 Modulators 1 2 1 0 1 5
338 Electrical Resistors 2 1 0 1 1 5
352 Optics: Motion Pictures 0 0 1 3 1 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 4 1 5
706 DP: Artificial Intelligence (Data Processing) 1 2 1 0 1 5
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 3 2 5
014 Bridges 0 2 0 1 1 4
047 Plant Husbandry 0 4 0 0 0 4
131 Tobacco 0 0 0 4 0 4
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 2 1 0 4
238 Railways: Surface Track 0 1 1 2 0 4
244 Aeronautics and Astronautics 0 0 4 0 0 4
293 Vehicle Fenders 0 0 0 3 1 4
366 Agitating (e.g., of articles and materials) 2 0 1 1 0 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 1 0 0 1 4
407 Cutters, for Shaping 1 1 1 0 1 4
409 Gear Cutting, Milling, or Planing 1 1 1 0 1 4
043 Fishing, Trapping, and Vermin Destroying 0 0 0 0 3 3
114 Ships 0 0 1 1 1 3
124 Mechanical Guns and Projectors 2 0 0 1 0 3
152 Resilient Tires and Wheels 1 0 1 1 0 3
182 Fire Escape, Ladder, or Scaffold 0 1 1 0 1 3
208 Mineral Oils: Processes and Products 1 0 0 2 0 3
224 Package and Article Carriers 2 0 1 0 0 3
227 Elongated-Member-Driving Apparatus 1 0 1 0 1 3
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 2 1 3
329 Demodulators 0 0 2 0 1 3
413 Sheet Metal Container Making 0 2 0 0 1 3
472 Amusement Devices 0 0 0 2 1 3
474 Endless Belt Power Transmission Systems or Components 1 2 0 0 0 3
494 Imperforate Bowl: Centrifugal Separators 0 1 0 1 1 3
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 0 1 0 3
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 0 2 0 3
007 Compound Hand Tools 0 1 1 0 0 2
019 Textiles: Fiber Preparation 0 1 0 0 1 2
044 Fuel and Related Compositions 0 1 1 0 0 2
071 Chemistry: Fertilizers 1 0 0 1 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 0 1 0 1 2
089 Ordnance 1 1 0 0 0 2
100 Presses 0 0 1 1 0 2
149 Explosive and Thermic Compositions or Charges 0 0 2 0 0 2
175 Boring or Penetrating the Earth 0 0 1 1 0 2
191 Electricity: Transmission To Vehicles 2 0 0 0 0 2
215 Bottles and Jars 1 1 0 0 0 2
223 Apparel Apparatus 2 0 0 0 0 2
225 Severing by Tearing or Breaking 1 0 0 0 1 2
277 Seal for a Joint or Juncture 0 1 0 0 1 2
283 Printed Matter 0 1 0 0 1 2
299 Mining or In Situ Disintegration of Hard Material 0 2 0 0 0 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 2 0 2
346 Recorders 1 0 1 0 0 2
388 Electricity: Motor Control Systems 0 1 0 0 1 2
408 Cutting by Use of Rotating Axially Moving Tool 1 0 0 0 1 2
410 Freight Accommodation On Freight Carrier 0 0 0 1 1 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 1 1 0 2
492 Roll or Roller 0 0 0 1 1 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 1 0 0 0 2
012 Boot and Shoe Making 0 0 0 0 1 1
037 Excavating 0 0 1 0 0 1
038 Textiles: Ironing or Smoothing 0 1 0 0 0 1
048 Gas: Heating and Illuminating 0 0 0 0 1 1
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 1
104 Railways 1 0 0 0 0 1
111 Planting 0 0 1 0 0 1
116 Signals and Indicators 0 1 0 0 0 1
172 Earth Working 0 0 0 1 0 1
178 Telegraphy 0 1 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 1 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 1 0 1
194 Check-Actuated Control Mechanisms 0 0 1 0 0 1
203 Distillation: Processes, Separatory 0 0 0 0 1 1
213 Railway Draft Appliances 1 0 0 0 0 1
232 Deposit and Collection Receptacles 0 0 0 0 1 1
246 Railway Switches and Signals 0 1 0 0 0 1
256 Fences 1 0 0 0 0 1
270 Sheet-Material Associating 1 0 0 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 1 0 1
305 Wheel Substitutes for Land Vehicles 0 1 0 0 0 1
322 Electricity: Single Generator Systems 0 0 0 1 0 1
373 Industrial Electric Heating Furnaces 0 0 1 0 0 1
383 Flexible Bags 0 1 0 0 0 1
406 Conveyors: Fluid Current 0 0 0 1 0 1
440 Marine Propulsion 0 0 1 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 1 0 0 0 1
450 Foundation Garments 1 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 1 0 0 1
483 Tool Changing 1 0 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 1 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 1 0 1
ALL ALL CLASSES 3538 3786 3944 4428 4352 20048


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Electronic Information Products Division - PTMB
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