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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

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 2001 2002 2003 2004 2005 Total
123 Internal-Combustion Engines 204 213 214 203 199 1033
296 Land Vehicles: Bodies and Tops 176 148 151 205 199 879
280 Land Vehicles 165 157 140 143 147 752
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 143 136 147 160 153 739
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 105 109 112 92 105 523
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 97 100 107 117 57 478
073 Measuring and Testing 76 103 97 91 88 455
297 Chairs and Seats 68 66 94 76 61 365
428 Stock Material or Miscellaneous Articles 63 81 79 77 58 358
340 Communications: Electrical 73 82 42 79 77 353
029 Metal Working 76 71 71 60 61 339
060 Power Plants 70 76 62 53 56 317
180 Motor Vehicles 37 60 75 67 62 301
475 Planetary Gear Transmission Systems or Components 26 31 78 107 45 287
532 Organic Compounds (includes Classes 532-570) 57 71 52 48 48 276
052 Static Structures (e.g., Buildings) 83 67 53 36 30 269
074 Machine Element or Mechanism 71 65 54 44 31 265
439 Electrical Connectors 46 44 43 44 55 232
359 Optics: Systems and Elements 61 47 43 38 36 225
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 50 40 42 48 36 216
362 Illumination 46 36 49 33 37 201
219 Electric Heating 42 32 38 43 31 186
137 Fluid Handling 43 44 35 27 33 182
435 Chemistry: Molecular Biology and Microbiology 43 31 35 38 27 174
192 Clutches and Power-Stop Control 34 32 35 38 29 168
324 Electricity: Measuring and Testing 28 40 45 22 28 163
188 Brakes 45 33 29 29 25 161
427 Coating Processes 27 32 37 38 24 158
318 Electricity: Motive Power Systems 23 45 25 36 25 154
062 Refrigeration 28 36 35 28 16 143
248 Supports (e.g., for holding articles, etc.) 31 39 29 22 22 143
072 Metal Deforming 27 22 23 30 30 132
700 DP: Generic Control Systems or Specific Applications (Data Processing) 16 20 28 37 28 129
702 DP: Measuring, Calibrating, or Testing (Data Processing) 20 30 27 30 19 126
310 Electrical Generator or Motor Structure 16 23 20 40 26 125
417 Pumps 33 31 27 20 9 120
477 Interrelated Power Delivery Controls, Including Engine Control 24 28 21 19 26 118
210 Liquid Purification or Separation 26 24 21 29 16 116
250 Radiant Energy 26 20 22 22 23 113
128 Surgery (includes Class 600) 17 26 30 26 13 112
303 Fluid-Pressure and Analogous Brake Systems 31 26 27 13 13 110
015 Brushing, Scrubbing, and General Cleaning 26 17 24 16 21 104
198 Conveyors: Power-Driven 15 20 18 17 31 101
285 Pipe Joints or Couplings 21 30 19 15 16 101
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 22 15 19 28 17 101
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 23 23 26 16 10 98
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 15 15 29 19 20 98
239 Fluid Sprinkling, Spraying, and Diffusing 18 17 13 20 23 91
049 Movable or Removable Closures 22 16 18 15 18 89
174 Electricity: Conductors and Insulators 22 26 11 15 10 84
224 Package and Article Carriers 24 15 11 21 12 83
293 Vehicle Fenders 16 17 13 17 20 83
361 Electricity: Electrical Systems and Devices 9 13 21 24 13 80
473 Games Using Tangible Projectile 12 15 14 19 19 79
165 Heat Exchange 22 13 15 15 10 75
301 Land Vehicles: Wheels and Axles 17 19 15 14 10 75
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 14 11 9 20 21 75
164 Metal Founding 15 13 20 9 16 73
292 Closure Fasteners 14 17 22 8 8 69
403 Joints and Connections 16 17 15 13 7 68
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 17 11 12 14 13 67
606 Surgery (instruments) 15 16 22 6 7 66
033 Geometrical Instruments 18 12 18 9 8 65
220 Receptacles 19 11 13 16 6 65
251 Valves and Valve Actuation 15 10 14 11 15 65
356 Optics: Measuring and Testing 13 10 13 16 12 64
604 Surgery (Medicators and Receptors) 13 15 17 12 7 64
148 Metal Treatment 8 14 12 17 12 63
204 Chemistry: Electrical and Wave Energy 8 18 17 17 3 63
200 Electricity: Circuit Makers and Breakers 12 14 14 11 11 62
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 14 16 15 5 62
307 Electrical Transmission or Interconnection Systems 11 23 11 7 8 60
312 Supports: Cabinet Structure 12 15 11 9 13 60
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 16 11 10 12 59
343 Communications: Radio Wave Antennas 18 16 7 4 12 57
002 Apparel 14 10 11 11 10 56
267 Spring Devices 14 21 11 5 5 56
134 Cleaning and Liquid Contact with Solids 5 19 11 11 9 55
206 Special Receptacle or Package 20 9 8 8 10 55
004 Baths, Closets, Sinks, and Spittoons 10 14 10 12 8 54
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 6 13 10 13 11 53
108 Horizontally Supported Planar Surfaces 8 15 12 8 9 52
414 Material or Article Handling 14 4 11 11 12 52
277 Seal for a Joint or Juncture 9 11 10 12 9 51
455 Telecommunications 9 2 6 9 25 51
269 Work Holders 5 14 13 8 10 50
315 Electric Lamp and Discharge Devices: Systems 10 13 7 15 5 50
320 Electricity: Battery or Capacitor Charging or Discharging 16 7 12 9 6 50
382 Image Analysis 11 6 8 11 14 50
474 Endless Belt Power Transmission Systems or Components 10 13 12 9 6 50
211 Supports: Racks 11 7 10 14 7 49
454 Ventilation 10 8 14 8 9 49
228 Metal Fusion Bonding 12 10 10 8 7 47
252 Compositions 13 4 10 11 9 47
385 Optical Waveguides 9 10 14 7 7 47
016 Miscellaneous Hardware 6 12 12 6 10 46
222 Dispensing (apparatus and process) 12 8 6 13 7 46
451 Abrading 10 8 7 10 11 46
005 Beds 7 10 8 11 9 45
138 Pipes and Tubular Conduits 23 3 6 6 7 45
415 Rotary Kinetic Fluid Motors or Pumps 8 10 11 8 8 45
438 Semiconductor Device Manufacturing: Process 12 7 4 12 9 44
118 Coating Apparatus 10 11 11 5 6 43
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 12 13 10 3 4 42
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 9 4 9 4 15 41
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 4 9 12 11 5 41
040 Card, Picture, or Sign Exhibiting 5 6 9 9 11 40
242 Winding, Tensioning, or Guiding 7 9 8 11 5 40
418 Rotary Expansible Chamber Devices 5 8 9 13 5 40
423 Chemistry of Inorganic Compounds 8 5 11 9 7 40
024 Buckles, Buttons, Clasps, Etc. 9 11 5 8 6 39
092 Expansible Chamber Devices 3 14 14 3 5 39
345 Computer Graphics Processing and Selective Visual Display Systems 8 6 11 7 7 39
381 Electrical Audio Signal Processing Systems and Devices 5 4 8 8 13 38
384 Bearings 5 7 11 7 8 38
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 7 4 3 8 16 38
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 4 5 6 19 37
426 Food or Edible Material: Processes, Compositions, and Products 14 8 10 2 1 35
119 Animal Husbandry 7 8 9 6 4 34
294 Handling: Hand and Hoist-Line Implements 9 11 9 3 2 34
053 Package Making 4 6 6 12 4 32
290 Prime-Mover Dynamo Plants 5 3 7 11 6 32
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 10 6 6 8 2 32
707 DP: Database and File Management or Data Structures (Data Processing) 4 11 7 5 5 32
043 Fishing, Trapping, and Vermin Destroying 4 8 8 5 6 31
410 Freight Accommodation On Freight Carrier 6 4 3 9 9 31
083 Cutting 9 4 6 9 2 30
236 Automatic Temperature and Humidity Regulation 3 13 5 4 3 28
241 Solid Material Comminution or Disintegration 3 4 3 12 6 28
261 Gas and Liquid Contact Apparatus 1 9 9 8 1 28
114 Ships 8 5 6 2 6 27
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 6 6 5 4 6 27
482 Exercise Devices 9 7 3 3 5 27
273 Amusement Devices: Games 3 8 8 3 4 26
037 Excavating 7 6 7 2 3 25
271 Sheet Feeding or Delivering 7 8 6 2 2 25
030 Cutlery 7 5 6 3 3 24
096 Gas Separation: Apparatus 6 5 4 6 3 24
106 Compositions: Coating or Plastic 6 7 3 4 4 24
181 Acoustics 1 3 6 5 9 24
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 4 5 8 4 24
341 Coded Data Generation or Conversion 5 6 4 5 4 24
436 Chemistry: Analytical and Immunological Testing 6 5 1 8 4 24
042 Firearms 4 4 4 9 2 23
055 Gas Separation 4 2 3 9 5 23
084 Music 4 7 4 3 5 23
446 Amusement Devices: Toys 2 5 6 5 5 23
081 Tools 7 2 4 5 4 22
363 Electric Power Conversion Systems 6 5 4 1 6 22
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 4 5 4 6 3 22
099 Foods and Beverages: Apparatus 8 4 5 1 3 21
182 Fire Escape, Ladder, or Scaffold 3 1 5 5 7 21
184 Lubrication 5 5 6 3 2 21
215 Bottles and Jars 6 2 6 1 6 21
229 Envelopes, Wrappers, and Paperboard Boxes 7 1 8 1 4 21
070 Locks 4 5 5 4 2 20
124 Mechanical Guns and Projectors 0 2 8 7 3 20
160 Flexible or Portable Closure, Partition, or Panel 4 2 6 6 2 20
713 Support (Electrical Computers and Digital Processing Systems) 4 5 2 4 5 20
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 6 2 4 2 6 20
065 Glass Manufacturing 8 4 0 5 2 19
095 Gas Separation: Processes 5 3 4 5 2 19
330 Amplifiers 0 5 6 6 2 19
409 Gear Cutting, Milling, or Planing 4 6 2 3 4 19
034 Drying and Gas or Vapor Contact with Solids 4 4 2 6 2 18
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 7 2 5 2 2 18
370 Multiplex Communications 3 4 1 3 7 18
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 6 3 3 6 0 18
047 Plant Husbandry 2 5 5 1 4 17
126 Stoves and Furnaces 1 3 3 4 6 17
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 6 6 0 2 3 17
366 Agitating (e.g., of articles and materials) 4 2 5 2 4 17
440 Marine Propulsion 2 4 4 3 4 17
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 4 2 1 6 4 17
254 Implements or Apparatus for Applying Pushing or Pulling Force 3 3 5 1 4 16
348 Television 2 3 5 2 4 16
433 Dentistry 4 5 2 2 3 16
434 Education and Demonstration 5 4 4 2 1 16
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 4 1 6 2 16
116 Signals and Indicators 8 3 1 1 2 15
209 Classifying, Separating, and Assorting Solids 3 3 4 3 2 15
336 Inductor Devices 0 5 2 2 6 15
369 Dynamic Information Storage or Retrieval 4 3 3 5 0 15
372 Coherent Light Generators 3 2 5 3 2 15
407 Cutters, for Shaping 4 3 4 2 2 15
420 Alloys or Metallic Compositions 4 5 3 2 1 15
501 Compositions: Ceramic 0 3 6 2 4 15
706 DP: Artificial Intelligence (Data Processing) 3 3 5 0 4 15
378 X-Ray or Gamma Ray Systems or Devices 1 3 4 4 2 14
401 Coating Implements with Material Supply 3 4 2 3 2 14
404 Road Structure, Process, or Apparatus 1 2 5 3 3 14
405 Hydraulic and Earth Engineering 1 2 3 6 2 14
408 Cutting by Use of Rotating Axially Moving Tool 7 2 1 1 3 14
601 Surgery: Kinesitherapy 11 1 0 1 1 14
602 Surgery: Splint, Brace, or Bandage 2 3 2 2 5 14
717 DP: Software Development, Installation, and Management (Data Processing) 4 2 1 2 5 14
036 Boots, Shoes, and Leggings 1 0 2 6 4 13
091 Motors: Expansible Chamber Type 3 2 3 2 3 13
135 Tent, Canopy, Umbrella, or Cane 2 2 2 3 4 13
216 Etching a Substrate: Processes 3 3 5 2 0 13
223 Apparel Apparatus 3 5 1 2 2 13
333 Wave Transmission Lines and Networks 1 4 3 1 4 13
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 6 2 4 13
349 Liquid Crystal Cells, Elements and Systems 5 2 3 1 2 13
726 Information Security 1 4 0 7 1 13
104 Railways 3 5 4 0 0 12
177 Weighing Scales 2 2 2 3 3 12
221 Article Dispensing 4 1 5 1 1 12
313 Electric Lamp and Discharge Devices 1 3 4 2 2 12
351 Optics: Eye Examining, Vision Testing and Correcting 2 6 3 1 0 12
379 Telephonic Communications 3 1 4 2 2 12
392 Electric Resistance Heating Devices 0 1 1 1 9 12
416 Fluid Reaction Surfaces (i.e., Impellers) 3 2 2 4 1 12
419 Powder Metallurgy Processes 4 3 0 5 0 12
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 1 4 3 2 12
607 Surgery: Light, Thermal, and Electrical Application 2 3 1 1 5 12
056 Harvesters 1 1 1 5 3 11
082 Turning (e.g., for metal working) 3 1 5 1 1 11
101 Printing 1 1 0 5 4 11
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 2 3 1 4 11
169 Fire Extinguishers 2 3 3 1 2 11
237 Heating Systems 2 2 2 5 0 11
374 Thermal Measuring and Testing 3 1 2 1 4 11
375 Pulse or Digital Communications 6 1 1 2 1 11
710 Input/Output (Electrical Computers and Digital Processing Systems) 4 2 2 1 2 11
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 2 3 1 1 10
244 Aeronautics and Astronautics 3 6 0 1 0 10
279 Chucks or Sockets 1 2 3 0 4 10
322 Electricity: Single Generator Systems 1 1 5 2 1 10
383 Flexible Bags 2 2 3 0 3 10
406 Conveyors: Fluid Current 3 5 0 1 1 10
431 Combustion 2 2 2 2 2 10
585 Chemistry of Hydrocarbon Compounds 2 7 1 0 0 10
100 Presses 1 2 5 1 0 9
132 Toilet 4 1 3 1 0 9
476 Friction Gear Transmission Systems or Components 0 3 2 1 3 9
504 Plant Protecting and Regulating Compositions 3 1 2 1 2 9
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 2 3 1 0 9
063 Jewelry 0 1 2 3 2 8
089 Ordnance 2 2 0 3 1 8
172 Earth Working 1 2 0 3 2 8
256 Fences 1 1 0 2 4 8
266 Metallurgical Apparatus 3 2 1 2 0 8
399 Electrophotography 1 1 4 0 2 8
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 2 1 2 3 8
122 Liquid Heaters and Vaporizers 0 1 1 3 2 7
152 Resilient Tires and Wheels 1 3 0 2 1 7
157 Wheelwright Machines 2 1 2 0 2 7
232 Deposit and Collection Receptacles 1 1 3 1 1 7
249 Static Molds 2 0 2 0 3 7
365 Static Information Storage and Retrieval 1 1 0 2 3 7
105 Railway Rolling Stock 2 0 2 0 2 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 3 1 1 6
149 Explosive and Thermic Compositions or Charges 3 1 1 0 1 6
323 Electricity: Power Supply or Regulation Systems 2 1 2 0 1 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 1 1 3 0 1 6
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 4 0 2 0 6
432 Heating 0 1 2 2 1 6
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 0 3 1 1 6
068 Textiles: Fluid Treating Apparatus 3 1 1 0 0 5
136 Batteries: Thermoelectric and Photoelectric 2 0 1 1 1 5
144 Woodworking 1 0 1 2 1 5
175 Boring or Penetrating the Earth 3 0 0 2 0 5
193 Conveyors, Chutes, Skids, Guides, and Ways 1 2 1 0 1 5
227 Elongated-Member-Driving Apparatus 1 1 1 2 0 5
332 Modulators 2 2 1 0 0 5
358 Facsimile and Static Presentation Processing 3 0 1 0 1 5
380 Cryptography 0 0 3 2 0 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 4 0 0 0 1 5
708 Arithmetic Processing and Calculating (Electrical Computers) 0 1 2 1 1 5
054 Harness for Working Animal 0 1 2 1 0 4
112 Sewing 1 0 0 2 1 4
283 Printed Matter 2 1 0 1 0 4
305 Wheel Substitutes for Land Vehicles 3 0 1 0 0 4
326 Electronic Digital Logic Circuitry 1 1 0 0 2 4
338 Electrical Resistors 2 0 1 1 0 4
347 Incremental Printing of Symbolic Information 1 0 1 1 1 4
360 Dynamic Magnetic Information Storage or Retrieval 1 2 1 0 0 4
368 Horology: Time Measuring Systems or Devices 1 1 0 1 1 4
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 0 1 1 4
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 3 0 1 4
007 Compound Hand Tools 1 0 0 0 2 3
076 Metal Tools and Implements, Making 2 0 0 1 0 3
190 Trunks and Hand-Carried Luggage 0 2 0 1 0 3
331 Oscillators 0 0 0 0 3 3
386 Television Signal Processing for Dynamic Recording or Reproducing 0 1 2 0 0 3
441 Buoys, Rafts, and Aquatic Devices 0 2 0 1 0 3
452 Butchering 1 0 0 0 2 3
714 Error Detection/Correction and Fault Detection/Recovery 2 1 0 0 0 3
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 1 1 1 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 2 0 0 1 3
725 Interactive Video Distribution Systems 0 0 1 2 0 3
051 Abrasive Tool Making Process, Material, or Composition 1 1 0 0 0 2
102 Ammunition and Explosives 0 0 0 1 1 2
131 Tobacco 0 0 1 0 1 2
162 Paper Making and Fiber Liberation 0 0 0 2 0 2
173 Tool Driving or Impacting 0 0 0 2 0 2
194 Check-Actuated Control Mechanisms 2 0 0 0 0 2
202 Distillation: Apparatus 0 1 1 0 0 2
225 Severing by Tearing or Breaking 0 0 1 0 1 2
226 Advancing Material of Indeterminate Length 1 1 0 0 0 2
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 2 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 2 0 0 2
353 Optics: Image Projectors 0 2 0 0 0 2
355 Photocopying 2 0 0 0 0 2
396 Photography 0 0 1 1 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 0 1 2
450 Foundation Garments 0 2 0 0 0 2
463 Amusement Devices: Games 0 1 1 0 0 2
472 Amusement Devices 0 0 2 0 0 2
483 Tool Changing 0 1 1 0 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 1 1 0 0 0 2
720 Dynamic Optical Information Storage or Retrieval 1 0 1 0 0 2
014 Bridges 1 0 0 0 0 1
027 Undertaking 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 1 0 0 0 1
044 Fuel and Related Compositions 0 1 0 0 0 1
066 Textiles: Knitting 0 0 0 0 1 1
086 Ammunition and Explosive-Charge Making 1 0 0 0 0 1
110 Furnaces 1 0 0 0 0 1
139 Textiles: Weaving 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 1 0 0 0 0 1
208 Mineral Oils: Processes and Products 0 0 0 1 0 1
212 Traversing Hoists 0 0 1 0 0 1
213 Railway Draft Appliances 0 1 0 0 0 1
238 Railways: Surface Track 0 0 0 1 0 1
281 Books, Strips, and Leaves 0 0 0 0 1 1
298 Land Vehicles: Dumping 0 0 1 0 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 1 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 0 0 1
388 Electricity: Motor Control Systems 0 0 1 0 0 1
398 Optical Communications 0 1 0 0 0 1
400 Typewriting Machines 0 1 0 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 1 0 0 0 1
492 Roll or Roller 0 1 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 1 0 0 0 0 1
ALL ALL CLASSES 3850 3861 3857 3756 3367 18691


PTMB Contacts

Questions regarding these reports should be directed to:

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

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

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


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