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

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

Count of 2004 - 2008 Utility Patent Grants
As Distributed 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 a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2004 2005 2006 2007 2008 Total
123 Internal-Combustion Engines 203 199 235 233 214 1084
296 Land Vehicles: Bodies and Tops 207 200 211 185 166 969
280 Land Vehicles 143 147 127 134 150 701
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 160 153 129 138 117 697
340 Communications: Electrical 79 78 129 74 82 442
475 Planetary Gear Transmission Systems or Components 107 45 99 100 79 430
073 Measuring and Testing 91 88 83 71 73 406
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 92 105 79 53 67 396
297 Chairs and Seats 76 61 74 64 66 341
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 117 57 56 47 46 323
180 Motor Vehicles 66 62 53 52 51 284
060 Power Plants 53 56 88 46 38 281
029 Metal Working 60 61 69 50 34 274
439 Electrical Connectors 44 55 59 63 51 272
428 Stock Material or Miscellaneous Articles 77 58 48 35 25 243
362 Illumination 33 36 44 54 58 225
532 Organic Compounds (includes Classes 532-570) 48 48 48 27 35 206
359 Optical: Systems and Elements 38 36 35 38 49 196
192 Clutches and Power-Stop Control 38 29 45 36 37 185
074 Machine Element or Mechanism 44 31 36 38 27 176
072 Metal Deforming 30 30 44 37 32 173
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 48 36 34 27 15 160
435 Chemistry: Molecular Biology and Microbiology 38 27 23 34 30 152
700 DP: Generic Control Systems or Specific Applications (Data Processing) 37 28 31 23 26 145
219 Electric Heating 43 31 28 28 11 141
318 Electricity: Motive Power Systems 36 25 38 18 20 137
477 Interrelated Power Delivery Controls, Including Engine Control 19 26 27 32 24 128
455 Telecommunications 9 25 29 37 24 124
052 Static Structures (e.g., Buildings) 36 29 22 18 18 123
702 DP: Measuring, Calibrating, or Testing (Data Processing) 30 19 26 26 22 123
250 Radiant Energy 22 23 28 17 31 121
188 Brakes 29 25 30 19 11 114
324 Electricity: Measuring and Testing 22 28 36 16 11 113
062 Refrigeration 28 16 26 26 16 112
137 Fluid Handling 27 33 19 16 15 110
198 Conveyors: Power-Driven 17 31 25 17 14 104
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 28 17 32 10 15 102
310 Electrical Generator or Motor Structure 40 26 12 11 11 100
427 Coating Processes 38 24 14 13 10 99
015 Brushing, Scrubbing, and General Cleaning 16 21 20 19 21 97
210 Liquid Purification or Separation 29 16 15 20 17 97
248 Supports (e.g., for holding articles, etc.) 22 23 21 15 12 93
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 19 20 15 25 13 92
293 Vehicle Fenders 17 20 20 20 14 91
473 Games Using Tangible Projectile 19 19 24 11 14 87
361 Electricity: Electrical Systems and Devices 24 13 15 20 13 85
128 Surgery (includes Class 600) 26 13 18 12 14 83
356 Optics: Measuring and Testing 16 12 16 19 18 81
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 15 5 24 15 17 76
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 20 21 7 16 11 75
239 Fluid Sprinkling, Spraying, and Diffusing 20 23 16 10 5 74
285 Pipe Joints or Couplings 15 16 20 10 12 73
303 Fluid-Pressure and Analogous Brake Systems 13 13 20 11 16 73
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 13 11 22 13 14 73
049 Movable or Removable Closures 15 18 15 8 15 71
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 16 10 17 17 11 71
343 Communications: Radio Wave Antennas 4 12 22 18 10 66
165 Heat Exchange 15 10 23 8 9 65
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 8 16 16 12 13 65
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 6 19 13 13 14 65
417 Pumps 20 9 15 13 7 64
200 Electricity: Circuit Makers and Breakers 11 11 17 9 14 62
224 Package and Article Carriers 20 12 12 7 11 62
033 Geometrical Instruments 9 8 8 13 19 57
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 14 13 11 14 5 57
301 Land Vehicles: Wheels and Axles 13 10 14 7 12 56
382 Image Analysis 11 14 12 7 12 56
024 Buckles, Buttons, Clasps, Etc. 8 6 15 15 11 55
134 Cleaning and Liquid Contact with Solids 11 9 8 13 14 55
251 Valves and Valve Actuation 11 15 11 13 5 55
174 Electricity: Conductors and Insulators 15 10 10 11 8 54
381 Electrical Audio Signal Processing Systems and Devices 8 13 18 6 8 53
164 Metal Founding 9 16 12 11 4 52
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4 15 7 15 10 51
385 Optical Waveguides 7 8 13 9 14 51
005 Beds 11 9 11 10 9 50
277 Seal for a Joint or Juncture 12 9 15 5 9 50
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 10 12 7 12 9 50
307 Electrical Transmission or Interconnection Systems 7 8 13 11 10 49
220 Receptacles 16 6 10 4 12 48
345 Computer Graphics Processing and Selective Visual Display Systems 7 7 8 16 10 48
040 Card, Picture, or Sign Exhibiting 9 11 14 5 8 47
002 Apparel 11 10 13 7 5 46
148 Metal Treatment 17 12 8 3 6 46
206 Special Receptacle or Package 8 10 10 7 11 46
403 Joints and Connections 13 7 6 10 10 46
292 Closure Fasteners 8 8 10 9 10 45
423 Chemistry of Inorganic Compounds 9 7 12 5 12 45
451 Abrading 10 11 17 3 4 45
606 Surgery (instruments) 6 7 11 7 14 45
414 Material or Article Handling 11 12 11 6 3 43
438 Semiconductor Device Manufacturing: Process 12 9 10 5 7 43
474 Endless Belt Power Transmission Systems or Components 9 6 10 12 6 43
267 Spring Devices 5 5 10 10 12 42
312 Supports: Cabinet Structure 9 13 14 4 2 42
004 Baths, Closets, Sinks, and Spittoons 12 8 6 11 4 41
410 Freight Accommodation On Freight Carrier 9 9 10 10 3 41
604 Surgery (Medicators and Receptors) 12 7 8 4 10 41
290 Prime-Mover Dynamo Plants 11 6 10 8 5 40
222 Dispensing (apparatus and process) 13 7 10 5 4 39
242 Winding, Tensioning, or Guiding 11 5 4 5 13 38
315 Electric Lamp and Discharge Devices: Systems 15 5 6 4 7 37
707 DP: Database and File Management or Data Structures (Data Processing) 5 5 14 6 7 37
204 Chemistry: Electrical and Wave Energy 17 3 7 5 4 36
211 Supports: Racks 14 7 7 7 1 36
252 Compositions 11 9 4 5 7 36
454 Ventilation 8 9 13 3 3 36
320 Electricity: Battery or Capacitor Charging or Discharging 9 5 5 8 6 33
228 Metal Fusion Bonding 8 7 3 7 7 32
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 8 4 8 5 7 32
418 Rotary Expansible Chamber Devices 13 5 6 5 3 32
016 Miscellaneous Hardware 6 10 4 7 4 31
092 Expansible Chamber Devices 3 5 11 7 5 31
138 Pipes and Tubular Conduits 6 7 8 5 5 31
181 Acoustics 5 9 7 5 5 31
241 Solid Material Comminution or Disintegration 12 6 4 2 7 31
081 Tools 5 4 10 7 4 30
384 Bearings 7 8 6 3 6 30
415 Rotary Kinetic Fluid Motors or Pumps 8 8 6 6 2 30
370 Multiplex Communications 3 7 3 8 8 29
482 Exercise Devices 3 5 10 2 9 29
108 Horizontally Supported Planar Surfaces 8 8 3 4 5 28
114 Ships 2 6 5 3 12 28
119 Animal Husbandry 6 4 9 6 3 28
269 Work Holders 8 10 4 4 2 28
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 2 6 8 9 3 28
053 Package Making 12 4 2 4 5 27
083 Cutting 9 2 7 8 1 27
182 Fire Escape, Ladder, or Scaffold 5 7 6 5 4 27
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 11 5 5 3 3 27
055 Gas Separation 9 5 2 2 8 26
378 X-Ray or Gamma Ray Systems or Devices 4 2 6 7 7 26
436 Chemistry: Analytical and Immunological Testing 6 4 6 3 7 26
036 Boots, Shoes, and Leggings 6 4 3 6 6 25
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 4 6 6 6 3 25
341 Coded Data Generation or Conversion 5 4 9 4 3 25
404 Road Structure, Process, or Apparatus 3 3 5 7 7 25
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 8 2 7 5 2 24
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 6 3 7 5 3 24
043 Fishing, Trapping, and Vermin Destroying 5 6 5 2 5 23
106 Compositions: Coating or Plastic 4 4 6 7 2 23
124 Mechanical Guns and Projectors 7 3 8 4 1 23
169 Fire Extinguishers 1 2 3 4 13 23
261 Gas and Liquid Contact Apparatus 8 1 5 5 4 23
294 Handling: Hand and Hoist-Line Implements 3 2 7 11 0 23
363 Electric Power Conversion Systems 1 6 5 8 3 23
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 4 8 4 4 23
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 6 4 2 2 9 23
215 Bottles and Jars 1 6 7 4 4 22
602 Surgery: Splint, Brace, or Bandage 2 5 2 8 4 21
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 4 4 5 6 20
366 Agitating (e.g., of articles and materials) 2 4 5 4 5 20
375 Pulse or Digital Communications 2 1 8 3 6 20
379 Telephonic Communications 2 2 6 6 4 20
405 Hydraulic and Earth Engineering 6 2 3 2 7 20
118 Coating Apparatus 5 6 4 2 2 19
135 Tent, Canopy, Umbrella, or Cane 3 4 6 4 2 19
273 Amusement Devices: Games 3 4 1 6 5 19
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 2 5 1 5 19
713 Support (Electrical Computers and Digital Processing Systems) 4 5 3 4 3 19
042 Firearms 9 2 2 3 2 18
160 Flexible or Portable Closure, Partition, or Panel 6 2 5 1 4 18
392 Electric Resistance Heating Devices 1 9 6 1 1 18
409 Gear Cutting, Milling, or Planing 3 4 3 4 4 18
070 Locks 4 2 5 2 4 17
095 Gas Separation: Processes 5 2 4 2 4 17
330 Amplifiers 6 2 5 3 1 17
374 Thermal Measuring and Testing 1 4 6 3 3 17
096 Gas Separation: Apparatus 6 3 2 3 2 16
126 Stoves and Furnaces 4 6 0 3 3 16
184 Lubrication 3 2 3 6 2 16
336 Inductor Devices 2 6 5 2 1 16
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 6 0 6 1 3 16
601 Surgery: Kinesitherapy 1 1 6 3 5 16
714 Error Detection/Correction and Fault Detection/Recovery 0 0 4 4 8 16
726 Information Security 7 1 4 0 4 16
034 Drying and Gas or Vapor Contact with Solids 6 2 5 1 1 15
084 Music 3 5 3 1 3 15
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 4 3 5 1 15
365 Static Information Storage and Retrieval 2 3 4 2 4 15
401 Coating Implements with Material Supply 3 2 4 5 1 15
433 Dentistry 2 3 4 3 3 15
501 Compositions: Ceramic 2 4 6 2 1 15
056 Harvesters 5 3 2 0 4 14
091 Motors: Expansible Chamber Type 2 3 5 3 1 14
101 Printing 5 4 1 4 0 14
383 Flexible Bags 0 3 6 2 3 14
047 Plant Husbandry 1 4 5 0 3 13
116 Signals and Indicators 1 2 2 4 4 13
232 Deposit and Collection Receptacles 1 1 1 6 4 13
236 Automatic Temperature and Humidity Regulation 4 3 2 2 2 13
256 Fences 2 4 3 1 3 13
322 Electricity: Single Generator Systems 2 1 8 1 1 13
331 Oscillators 0 3 0 6 4 13
372 Coherent Light Generators 3 2 3 1 4 13
408 Cutting by Use of Rotating Axially Moving Tool 1 3 4 4 1 13
446 Amusement Devices: Toys 5 5 1 1 1 13
065 Glass Manufacturing 5 2 1 1 3 12
209 Classifying, Separating, and Assorting Solids 3 2 2 2 3 12
279 Chucks or Sockets 0 4 1 2 5 12
369 Dynamic Information Storage or Retrieval 5 0 4 2 1 12
426 Food or Edible Material: Processes, Compositions, and Products 2 1 6 2 1 12
037 Excavating 2 3 4 1 1 11
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 2 2 0 2 5 11
112 Sewing 2 1 3 2 3 11
144 Woodworking 2 1 5 2 1 11
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 2 3 4 0 2 11
348 Television 2 4 3 1 1 11
416 Fluid Reaction Surfaces (i.e., Impellers) 4 1 2 2 2 11
434 Education and Demonstration 2 1 4 3 1 11
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 1 5 1 3 11
717 DP: Software Development, Installation, and Management (Data Processing) 2 5 1 2 1 11
089 Ordnance 3 1 3 3 0 10
177 Weighing Scales 3 3 2 2 0 10
221 Article Dispensing 1 1 5 2 1 10
249 Static Molds 0 3 3 2 2 10
313 Electric Lamp and Discharge Devices 2 2 1 2 3 10
368 Horology: Time Measuring Systems or Devices 1 1 3 3 2 10
030 Cutlery 3 3 2 0 1 9
063 Jewelry 3 2 2 1 1 9
099 Foods and Beverages: Apparatus 1 3 5 0 0 9
216 Etching a Substrate: Processes 2 0 4 1 2 9
271 Sheet Feeding or Delivering 2 2 1 4 0 9
407 Cutters, for Shaping 2 2 4 0 1 9
420 Alloys or Metallic Compositions 2 1 1 0 5 9
440 Marine Propulsion 3 4 2 0 0 9
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 3 1 2 1 9
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 1 2 0 5 9
706 DP: Artificial Intelligence (Data Processing) 0 4 3 2 0 9
710 Input/Output (Electrical Computers and Digital Processing Systems) 1 2 3 0 3 9
229 Envelopes, Wrappers, and Paperboard Boxes 1 4 1 1 1 8
237 Heating Systems 5 0 2 0 1 8
244 Aeronautics and Astronautics 1 0 2 1 4 8
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 1 3 3 8
419 Powder Metallurgy Processes 5 0 3 0 0 8
441 Buoys, Rafts, and Aquatic Devices 1 0 4 1 2 8
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 2 1 1 1 8
607 Surgery: Light, Thermal, and Electrical Application 1 5 0 1 1 8
711 Memory (Electrical Computers and Digital Processing Systems) 1 1 2 1 3 8
068 Textiles: Fluid Treating Apparatus 0 0 1 3 3 7
082 Turning (e.g., for metal working) 1 1 3 2 0 7
102 Ammunition and Explosives 1 1 1 2 2 7
122 Liquid Heaters and Vaporizers 3 2 0 0 2 7
152 Resilient Tires and Wheels 2 1 1 2 1 7
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 4 1 0 1 7
223 Apparel Apparatus 2 2 1 0 2 7
323 Electricity: Power Supply or Regulation Systems 0 1 5 1 0 7
333 Wave Transmission Lines and Networks 1 4 0 1 1 7
399 Electrophotography 0 2 4 0 1 7
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 1 3 1 7
105 Railway Rolling Stock 0 2 1 2 1 6
172 Earth Working 3 2 1 0 0 6
338 Electrical Resistors 1 0 2 2 1 6
476 Friction Gear Transmission Systems or Components 1 3 1 0 1 6
708 Arithmetic Processing and Calculating (Electrical Computers) 1 1 2 0 2 6
007 Compound Hand Tools 0 2 1 1 1 5
027 Undertaking 1 0 0 0 4 5
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 1 2 1 0 5
132 Toilet 1 0 1 3 0 5
136 Batteries: Thermoelectric and Photoelectric 1 1 0 2 1 5
173 Tool Driving or Impacting 2 0 2 1 0 5
227 Elongated-Member-Driving Apparatus 2 0 0 1 2 5
246 Railway Switches and Signals 0 0 0 1 4 5
266 Metallurgical Apparatus 2 0 0 1 2 5
347 Incremental Printing of Symbolic Information 1 1 3 0 0 5
358 Facsimile and Static Presentation Processing 0 1 1 2 1 5
406 Conveyors: Fluid Current 1 1 2 1 0 5
431 Combustion 2 2 1 0 0 5
432 Heating 2 1 1 0 1 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 2 0 2 5
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 1 2 0 0 4
014 Bridges 0 0 2 2 0 4
104 Railways 0 0 1 3 0 4
157 Wheelwright Machines 0 2 1 0 1 4
326 Electronic Digital Logic Circuitry 0 2 0 1 1 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 1 2 0 1 4
452 Butchering 0 2 0 1 1 4
585 Chemistry of Hydrocarbon Compounds 0 0 2 0 2 4
048 Gas: Heating and Illuminating 0 0 0 2 1 3
054 Harness for Working Animal 1 0 1 0 1 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 2 1 3
193 Conveyors, Chutes, Skids, Guides, and Ways 0 1 0 1 1 3
208 Mineral Oils: Processes and Products 1 0 2 0 0 3
299 Mining or In Situ Disintegration of Hard Material 0 2 0 1 0 3
349 Liquid Crystal Cells, Elements and Systems 1 2 0 0 0 3
380 Cryptography 2 0 0 1 0 3
396 Photography 1 0 0 0 2 3
463 Amusement Devices: Games 0 0 1 0 2 3
504 Plant Protecting and Regulating Compositions 1 2 0 0 0 3
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 2 0 0 0 1 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 1 1 1 0 3
725 Interactive Video Distribution Systems 2 0 0 1 0 3
100 Presses 1 0 0 0 1 2
125 Stone Working 0 0 0 1 1 2
131 Tobacco 0 1 0 1 0 2
149 Explosive and Thermic Compositions or Charges 0 1 1 0 0 2
162 Paper Making and Fiber Liberation 2 0 0 0 0 2
175 Boring or Penetrating the Earth 2 0 0 0 0 2
226 Advancing Material of Indeterminate Length 0 0 0 1 1 2
238 Railways: Surface Track 1 0 0 0 1 2
283 Printed Matter 1 0 0 1 0 2
298 Land Vehicles: Dumping 0 0 1 1 0 2
305 Wheel Substitutes for Land Vehicles 0 0 1 0 1 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 1 1 2
355 Photocopying 0 0 1 1 0 2
400 Typewriting Machines 0 0 0 2 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 1 0 0 2
450 Foundation Garments 0 0 1 0 1 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 1 0 0 2
012 Boot and Shoe Making 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
044 Fuel and Related Compositions 0 0 0 0 1 1
051 Abrasive Tool Making Process, Material, or Composition 0 0 1 0 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 0 1 0 1
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 1
066 Textiles: Knitting 0 1 0 0 0 1
076 Metal Tools and Implements, Making 1 0 0 0 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 0 1 1
190 Trunks and Hand-Carried Luggage 1 0 0 0 0 1
212 Traversing Hoists 0 0 0 0 1 1
225 Severing by Tearing or Breaking 0 1 0 0 0 1
231 Whips and Whip Apparatus 0 0 0 0 1 1
281 Books, Strips, and Leaves 0 1 0 0 0 1
353 Optics: Image Projectors 0 0 0 1 0 1
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 1 0 0 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
398 Optical Communications 0 0 0 0 1 1
472 Amusement Devices 0 0 0 1 0 1
483 Tool Changing 0 0 0 0 1 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 0 1 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 0 1 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 1 0 0 0 1
720 Dynamic Optical Information Storage or Retrieval 0 0 0 0 1 1
ALL ALL CLASSES 3755 3367 3758 3141 2996 17017


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U.S. Patent and Trademark Office
Electronic Information Products Division - PTMT
P.O Box 1450
Alexandria VA 22313-1450

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

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ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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