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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 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

MICHIGAN

( 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 2000 2001 2002 2003 2004 Total
123 Internal-Combustion Engines 134 204 214 214 202 968
296 Land Vehicles: Bodies and Tops 159 176 148 149 205 837
280 Land Vehicles 166 165 157 140 143 771
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 79 143 136 147 160 665
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 126 105 109 112 92 544
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 108 97 100 107 117 529
073 Measuring and Testing 64 76 103 97 91 431
297 Chairs and Seats 91 68 66 94 76 395
428 Stock Material or Miscellaneous Articles 55 63 81 77 77 353
340 Communications: Electrical 68 72 82 42 79 343
029 Metal Working 61 76 71 71 60 339
052 Static Structures (e.g., Buildings) 67 83 67 55 37 309
074 Machine Element or Mechanism 74 72 65 54 44 309
060 Power Plants 32 70 76 62 53 293
180 Motor Vehicles 45 37 60 75 67 284
475 Planetary Gear Transmission Systems or Components 37 26 31 78 107 279
532 Organic Compounds (includes Classes 532-570) 49 57 71 52 48 277
359 Optics: Systems and Elements 46 61 47 43 38 235
439 Electrical Connectors 48 46 44 43 44 225
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 38 50 40 43 48 219
362 Illumination 43 46 36 49 33 207
435 Chemistry: Molecular Biology and Microbiology 56 43 31 35 38 203
137 Fluid Handling 43 43 44 36 27 193
219 Electric Heating 38 42 32 38 43 193
192 Clutches and Power-Stop Control 34 34 32 35 38 173
427 Coating Processes 29 27 32 37 38 163
248 Supports (e.g., for holding articles, etc.) 41 31 39 29 22 162
318 Electricity: Motive Power Systems 31 23 45 25 36 160
188 Brakes 13 45 33 29 29 149
062 Refrigeration 21 28 36 35 28 148
324 Electricity: Measuring and Testing 13 28 40 45 22 148
417 Pumps 33 33 31 27 20 144
072 Metal Deforming 24 27 22 23 30 126
128 Surgery (includes Class 600) 25 17 26 30 26 124
477 Interrelated Power Delivery Controls, Including Engine Control 32 24 28 21 19 124
303 Fluid-Pressure and Analogous Brake Systems 20 31 26 27 13 117
702 DP: Measuring, Calibrating, or Testing (Data Processing) 10 20 30 27 30 117
210 Liquid Purification or Separation 16 26 24 21 29 116
700 DP: Generic Control Systems or Specific Applications (Data Processing) 15 16 20 28 37 116
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 25 23 23 26 16 113
015 Brushing, Scrubbing, and General Cleaning 28 26 17 24 16 111
310 Electrical Generator or Motor Structure 9 16 23 20 40 108
049 Movable or Removable Closures 34 22 16 18 15 105
250 Radiant Energy 11 26 20 22 22 101
285 Pipe Joints or Couplings 13 21 30 19 15 98
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 13 22 15 19 28 97
198 Conveyors: Power-Driven 26 15 20 18 17 96
174 Electricity: Conductors and Insulators 20 22 26 11 15 94
224 Package and Article Carriers 23 24 15 11 21 94
292 Closure Fasteners 29 14 17 22 8 90
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 15 15 29 19 88
239 Fluid Sprinkling, Spraying, and Diffusing 16 18 17 13 20 84
473 Games Using Tangible Projectile 23 12 15 14 19 83
361 Electricity: Electrical Systems and Devices 13 9 13 21 24 80
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 23 12 14 16 15 80
403 Joints and Connections 18 16 17 15 13 79
165 Heat Exchange 13 22 13 15 15 78
220 Receptacles 18 19 11 13 16 77
301 Land Vehicles: Wheels and Axles 12 17 19 15 14 77
606 Surgery (instruments) 17 15 16 22 6 76
356 Optics: Measuring and Testing 23 13 10 13 16 75
604 Surgery (Medicators and Receptors) 18 13 15 17 12 75
251 Valves and Valve Actuation 22 15 10 14 11 72
002 Apparel 25 14 10 11 11 71
204 Chemistry: Electrical and Wave Energy 11 8 18 17 17 71
307 Electrical Transmission or Interconnection Systems 19 11 23 11 7 71
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 15 14 11 9 20 69
293 Vehicle Fenders 5 16 17 13 17 68
148 Metal Treatment 14 8 14 12 17 65
164 Metal Founding 8 15 13 20 9 65
312 Supports: Cabinet Structure 18 12 15 11 9 65
033 Geometrical Instruments 7 18 12 18 9 64
004 Baths, Closets, Sinks, and Spittoons 16 10 14 10 12 62
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 7 17 11 12 14 61
200 Electricity: Circuit Makers and Breakers 11 12 14 13 11 61
267 Spring Devices 10 14 21 11 5 61
211 Supports: Racks 18 11 7 10 14 60
414 Material or Article Handling 19 14 4 11 11 59
134 Cleaning and Liquid Contact with Solids 11 5 19 11 11 57
138 Pipes and Tubular Conduits 19 23 3 6 6 57
343 Communications: Radio Wave Antennas 12 18 16 7 4 57
454 Ventilation 15 10 8 14 8 55
222 Dispensing (apparatus and process) 16 12 8 5 13 54
108 Horizontally Supported Planar Surfaces 10 8 15 12 8 53
206 Special Receptacle or Package 8 20 9 8 8 53
228 Metal Fusion Bonding 13 12 10 10 8 53
418 Rotary Expansible Chamber Devices 18 5 8 9 13 53
252 Compositions 14 13 4 10 11 52
315 Electric Lamp and Discharge Devices: Systems 7 10 13 7 15 52
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 10 6 13 10 13 52
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 5 10 16 11 10 52
269 Work Holders 11 5 14 13 8 51
277 Seal for a Joint or Juncture 9 9 11 10 12 51
320 Electricity: Battery or Capacitor Charging or Discharging 7 16 7 12 9 51
426 Food or Edible Material: Processes, Compositions, and Products 15 14 8 10 2 49
451 Abrading 13 10 8 7 10 48
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 10 12 13 10 3 48
345 Computer Graphics Processing and Selective Visual Display Systems 15 8 6 11 7 47
415 Rotary Kinetic Fluid Motors or Pumps 10 8 10 11 8 47
423 Chemistry of Inorganic Compounds 13 8 5 11 9 46
474 Endless Belt Power Transmission Systems or Components 3 9 13 12 9 46
016 Miscellaneous Hardware 9 6 12 12 6 45
294 Handling: Hand and Hoist-Line Implements 13 9 11 9 3 45
242 Winding, Tensioning, or Guiding 9 7 9 8 11 44
385 Optical Waveguides 4 9 10 14 7 44
438 Semiconductor Device Manufacturing: Process 9 12 7 4 12 44
005 Beds 7 7 10 8 11 43
118 Coating Apparatus 6 10 11 11 5 43
382 Image Analysis 7 11 6 8 11 43
040 Card, Picture, or Sign Exhibiting 12 5 6 9 9 41
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 4 9 12 11 41
024 Buckles, Buttons, Clasps, Etc. 7 9 11 5 8 40
092 Expansible Chamber Devices 6 3 14 14 3 40
083 Cutting 10 9 4 6 9 38
384 Bearings 7 5 7 11 7 37
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 7 10 6 6 8 37
455 Telecommunications 10 9 2 6 9 36
707 DP: Database and File Management or Data Structures (Data Processing) 9 4 11 7 5 36
043 Fishing, Trapping, and Vermin Destroying 10 4 8 8 5 35
119 Animal Husbandry 5 7 8 9 6 35
053 Package Making 6 4 6 6 12 34
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 7 9 4 9 4 33
410 Freight Accommodation On Freight Carrier 11 6 4 3 9 33
482 Exercise Devices 11 9 7 3 3 33
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 11 7 4 3 8 33
114 Ships 10 9 5 6 2 32
713 Support (Electrical Computers and Digital Processing Systems) 5 5 9 2 11 32
030 Cutlery 9 7 5 6 3 30
261 Gas and Liquid Contact Apparatus 3 1 9 9 8 30
381 Electrical Audio Signal Processing Systems and Devices 4 5 4 8 8 29
037 Excavating 6 7 6 7 2 28
106 Compositions: Coating or Plastic 8 6 7 3 4 28
236 Automatic Temperature and Humidity Regulation 3 3 13 5 4 28
271 Sheet Feeding or Delivering 5 7 8 6 2 28
273 Amusement Devices: Games 5 3 8 8 3 27
241 Solid Material Comminution or Disintegration 4 3 4 3 12 26
290 Prime-Mover Dynamo Plants 0 5 3 7 11 26
081 Tools 7 7 2 4 5 25
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 4 6 6 5 4 25
436 Chemistry: Analytical and Immunological Testing 5 6 5 1 8 25
070 Locks 6 4 5 5 4 24
099 Foods and Beverages: Apparatus 6 8 4 5 1 24
124 Mechanical Guns and Projectors 7 0 2 8 7 24
160 Flexible or Portable Closure, Partition, or Panel 6 4 2 6 6 24
184 Lubrication 5 5 5 6 3 24
229 Envelopes, Wrappers, and Paperboard Boxes 7 7 1 8 1 24
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 6 3 4 5 6 24
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 5 4 5 4 6 24
034 Drying and Gas or Vapor Contact with Solids 7 4 4 2 6 23
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 3 4 5 8 23
366 Agitating (e.g., of articles and materials) 10 4 2 5 2 23
446 Amusement Devices: Toys 5 2 5 6 5 23
042 Firearms 1 4 4 4 9 22
084 Music 4 4 7 4 3 22
096 Gas Separation: Apparatus 1 6 5 4 6 22
181 Acoustics 7 1 3 6 5 22
215 Bottles and Jars 7 6 2 6 1 22
065 Glass Manufacturing 4 8 4 0 5 21
409 Gear Cutting, Milling, or Planing 6 4 6 2 3 21
433 Dentistry 8 4 5 2 2 21
341 Coded Data Generation or Conversion 0 5 6 4 5 20
434 Education and Demonstration 5 5 4 4 2 20
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 6 3 3 6 20
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 3 4 1 6 20
055 Gas Separation 1 4 2 3 9 19
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 3 7 2 5 2 19
095 Gas Separation: Processes 2 5 3 4 5 19
349 Liquid Crystal Cells, Elements and Systems 8 5 2 3 1 19
047 Plant Husbandry 5 2 5 5 1 18
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 4 6 6 0 2 18
330 Amplifiers 1 0 5 6 6 18
369 Dynamic Information Storage or Retrieval 3 4 3 3 5 18
370 Multiplex Communications 7 3 4 1 3 18
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 8 2 1 4 3 18
182 Fire Escape, Ladder, or Scaffold 3 3 1 5 5 17
209 Classifying, Separating, and Assorting Solids 4 3 3 4 3 17
313 Electric Lamp and Discharge Devices 7 1 3 4 2 17
363 Electric Power Conversion Systems 1 6 5 4 1 17
372 Coherent Light Generators 4 3 2 5 3 17
378 X-Ray or Gamma Ray Systems or Devices 5 1 3 4 4 17
401 Coating Implements with Material Supply 5 3 4 2 3 17
710 Input/Output (Electrical Computers and Digital Processing Systems) 8 4 2 2 1 17
216 Etching a Substrate: Processes 3 3 3 5 2 16
223 Apparel Apparatus 5 3 5 1 2 16
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 3 3 5 1 16
440 Marine Propulsion 3 2 4 4 3 16
602 Surgery: Splint, Brace, or Bandage 7 2 3 2 2 16
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 2 6 2 4 2 16
116 Signals and Indicators 2 8 3 1 1 15
126 Stoves and Furnaces 4 1 3 3 4 15
407 Cutters, for Shaping 2 4 3 4 2 15
408 Cutting by Use of Rotating Axially Moving Tool 4 7 2 1 1 15
420 Alloys or Metallic Compositions 1 4 5 3 2 15
601 Surgery: Kinesitherapy 2 11 1 0 1 15
244 Aeronautics 4 3 6 0 1 14
266 Metallurgical Apparatus 6 3 2 1 2 14
348 Television 2 2 3 5 2 14
405 Hydraulic and Earth Engineering 2 1 2 3 6 14
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 1 4 2 1 6 14
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 4 3 2 3 1 13
104 Railways 1 3 5 4 0 13
132 Toilet 4 4 1 3 1 13
169 Fire Extinguishers 4 2 3 3 1 13
237 Heating Systems 2 2 2 2 5 13
336 Inductor Devices 4 0 5 2 2 13
351 Optics: Eye Examining, Vision Testing and Correcting 1 2 6 3 1 13
379 Telephonic Communications 3 3 1 4 2 13
419 Powder Metallurgy Processes 1 4 3 0 5 13
501 Compositions: Ceramic 2 0 3 6 2 13
036 Boots, Shoes, and Leggings 3 1 0 2 6 12
091 Motors: Expansible Chamber Type 2 3 2 3 2 12
221 Article Dispensing 1 4 1 5 1 12
404 Road Structure, Process, or Apparatus 1 1 2 5 3 12
416 Fluid Reaction Surfaces (i.e., Impellers) 1 3 2 2 4 12
431 Combustion 4 2 2 2 2 12
082 Turning (e.g., for metal working) 1 3 1 5 1 11
100 Presses 2 1 2 5 1 11
177 Weighing Scales 2 2 2 2 3 11
374 Thermal Measuring and Testing 4 3 1 2 1 11
375 Pulse or Digital Communications 1 6 1 1 2 11
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 3 2 3 1 11
585 Chemistry of Hydrocarbon Compounds 1 2 7 1 0 11
706 DP: Artificial Intelligence (Data Processing) 0 3 3 5 0 11
135 Tent, Canopy, Umbrella, or Cane 1 2 2 2 3 10
322 Electricity: Single Generator Systems 1 1 1 5 2 10
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 1 0 6 2 10
406 Conveyors: Fluid Current 1 3 5 0 1 10
504 Plant Protecting and Regulating Compositions 3 3 1 2 1 10
717 DP: Software Development, Installation, and Management (Data Processing) 1 4 2 1 2 10
056 Harvesters 1 1 1 1 5 9
101 Printing 2 1 1 0 5 9
175 Boring or Penetrating the Earth 4 3 0 0 2 9
333 Wave Transmission Lines and Networks 0 1 4 3 1 9
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 4 0 2 1 2 9
063 Jewelry 2 0 1 2 3 8
089 Ordnance 1 2 2 0 3 8
122 Liquid Heaters and Vaporizers 3 0 1 1 3 8
136 Batteries: Thermoelectric and Photoelectric 4 2 0 1 1 8
144 Woodworking 4 1 0 1 2 8
227 Elongated-Member-Driving Apparatus 3 1 1 1 2 8
383 Flexible Bags 1 2 2 3 0 8
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 4 0 2 8
105 Railway Rolling Stock 3 2 0 2 0 7
152 Resilient Tires and Wheels 1 1 3 0 2 7
157 Wheelwright Machines 2 2 1 2 0 7
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 2 3 1 7
172 Earth Working 1 1 2 0 3 7
279 Chucks or Sockets 1 1 2 3 0 7
323 Electricity: Power Supply or Regulation Systems 2 2 1 2 0 7
365 Static Information Storage and Retrieval 3 1 1 0 2 7
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 1 1 3 0 7
399 Electrophotography 1 1 1 4 0 7
432 Heating 2 0 1 2 2 7
476 Friction Gear Transmission Systems or Components 1 0 3 2 1 7
607 Surgery: Light, Thermal, and Electrical Application 0 2 3 1 1 7
054 Harness (for animals) 2 0 1 2 1 6
068 Textiles: Fluid Treating Apparatus 1 3 1 1 0 6
149 Explosive and Thermic Compositions or Charges 1 3 1 1 0 6
193 Conveyors, Chutes, Skids, Guides, and Ways 2 1 2 1 0 6
232 Deposit and Collection Receptacles 0 1 1 3 1 6
249 Static Molds 2 2 0 2 0 6
256 Fences 2 1 1 0 2 6
283 Printed Matter 2 2 1 0 1 6
338 Electrical Resistors 2 2 0 1 1 6
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 1 0 3 1 6
711 Memory (Electrical Computers and Digital Processing Systems) 3 1 1 0 1 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 0 3 1 5
305 Wheel Substitutes for Land Vehicles 1 3 0 1 0 5
332 Modulators 0 2 2 1 0 5
368 Horology: Time Measuring Systems or Devices 2 1 1 0 1 5
380 Cryptography 0 0 0 3 2 5
441 Buoys, Rafts, and Aquatic Devices 2 0 2 0 1 5
450 Foundation Garments 3 0 2 0 0 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 4 0 0 0 5
714 Error Detection/Correction and Fault Detection/Recovery 2 2 1 0 0 5
051 Abrasive Tool Making Process, Material, or Composition 2 1 1 0 0 4
112 Sewing 1 1 0 0 2 4
194 Check-Actuated Control Mechanisms 2 2 0 0 0 4
347 Incremental Printing of Symbolic Information 1 1 0 1 1 4
358 Facsimile and Static Presentation Processing 0 3 0 1 0 4
360 Dynamic Magnetic Information Storage or Retrieval 0 1 2 1 0 4
392 Electric Resistance Heating Devices 1 0 1 1 1 4
400 Typewriting Machines 3 0 1 0 0 4
483 Tool Changing 2 0 1 1 0 4
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 1 2 1 4
725 Interactive Video Distribution Systems 1 0 0 1 2 4
076 Metal Tools and Implements, Making 0 2 0 0 1 3
131 Tobacco 2 0 0 1 0 3
162 Paper Making and Fiber Liberation 1 0 0 0 2 3
173 Tool Driving or Impacting 1 0 0 0 2 3
190 Trunks and Hand-Carried Luggage 0 0 2 0 1 3
326 Electronic Digital Logic Circuitry 1 1 1 0 0 3
337 Electricity: Electrothermally or Thermally Actuated Switches 1 0 0 2 0 3
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 2 0 3
463 Amusement Devices: Games 1 0 1 1 0 3
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 0 0 1 1 3
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 3 0 3
044 Fuel and Related Compositions 1 0 1 0 0 2
086 Ammunition and Explosive-Charge Making 1 1 0 0 0 2
102 Ammunition and Explosives 1 0 0 0 1 2
110 Furnaces 1 1 0 0 0 2
171 Unearthing Plants or Buried Objects 2 0 0 0 0 2
202 Distillation: Apparatus 0 0 1 1 0 2
208 Mineral Oils: Processes and Products 1 0 0 0 1 2
212 Traversing Hoists 1 0 0 1 0 2
225 Severing by Tearing or Breaking 1 0 0 1 0 2
226 Advancing Material of Indeterminate Length 0 1 1 0 0 2
298 Land Vehicles: Dumping 1 0 0 1 0 2
353 Optics: Image Projectors 0 0 2 0 0 2
355 Photocopying 0 2 0 0 0 2
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 1 0 0 2
388 Electricity: Motor Control Systems 1 0 0 1 0 2
396 Photography 0 0 0 1 1 2
398 Optical Communications 1 0 1 0 0 2
452 Butchering 1 1 0 0 0 2
472 Amusement Devices 0 0 0 2 0 2
492 Roll or Roller 1 0 1 0 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 1 1 0 0 2
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 2 0 0 2
720 Dynamic Optical Information Storage or Retrieval 0 1 0 1 0 2
001 ** Classification Undetermined ** 0 0 0 0 1 1
007 Compound Hand Tools 0 1 0 0 0 1
014 Bridges 0 1 0 0 0 1
027 Undertaking 0 0 0 0 1 1
028 Textiles: Manufacturing 1 0 0 0 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
048 Gas: Heating and Illuminating 1 0 0 0 0 1
066 Textiles: Knitting 1 0 0 0 0 1
111 Planting 1 0 0 0 0 1
139 Textiles: Weaving 0 1 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
185 Motors: Spring, Weight, or Animal Powered 1 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 0 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
213 Railway Draft Appliances 0 0 1 0 0 1
238 Railways: Surface Track 0 0 0 0 1 1
331 Oscillators 1 0 0 0 0 1
412 Bookbinding: Process and Apparatus 1 0 0 0 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 1 0 0 1
453 Coin Handling 1 0 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 1 0 0 0 1
ALL ALL CLASSES 3724 3850 3862 3855 3757 19048


PTMD Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Office of Electronic Information Products - PTMD
MDW 4C18; P.O Box 1450
Alexandria VA 22313-1450

tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

address of PTMD pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMD reports and materials from : ftp.uspto.gov/pub/taf/


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