U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 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

NORTH CAROLINA

(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')
 
Class Class Title 1997 1998 1999 2000 2001 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 78 81 100 98 126 483
435 Chemistry: Molecular Biology and Microbiology 59 66 71 51 60 307
455 Telecommunications 3 32 65 93 79 272
428 Stock Material or Miscellaneous Articles 40 38 44 37 34 193
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 10 27 49 55 50 191
370 Multiplex Communications 20 30 38 43 57 188
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 33 28 44 36 37 178
439 Electrical Connectors 34 30 29 36 35 164
532 Organic Compounds (includes Classes 532-570) 37 23 31 25 36 152
361 Electricity: Electrical Systems and Devices 18 29 28 33 35 143
385 Optical Waveguides 18 17 27 41 40 143
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 9 36 35 35 24 139
375 Pulse or Digital Communications 7 25 28 25 27 112
128 Surgery (includes Class 600) 15 25 11 30 25 106
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 17 29 14 18 23 101
210 Liquid Purification or Separation 14 19 16 15 33 97
710 Input/Output (Electrical Computers and Digital Processing Systems) 5 17 20 26 21 89
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 8 18 20 30 8 84
219 Electric Heating 8 12 18 20 23 81
379 Telephonic Communications 5 14 20 19 21 79
343 Communications: Radio Wave Antennas 0 9 30 18 21 78
052 Static Structures (e.g., Buildings) 10 12 20 19 15 76
340 Communications: Electrical 10 11 18 17 18 74
029 Metal Working 10 14 16 15 18 73
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 7 15 16 17 16 71
713 Support (Electrical Computers and Digital Processing Systems) 2 19 9 18 18 66
174 Electricity: Conductors and Insulators 10 9 10 17 18 64
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 6 14 11 14 19 64
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 9 11 13 15 15 63
002 Apparel 14 10 12 11 13 60
714 Error Detection/Correction and Fault Detection/Recovery 5 12 19 10 13 59
066 Textiles: Knitting 13 8 8 12 17 58
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 11 17 6 8 16 58
427 Coating Processes 9 8 13 15 13 58
606 Surgery (instruments) 11 8 10 17 10 56
297 Chairs and Seats 12 12 11 14 6 55
206 Special Receptacle or Package 8 17 11 12 6 54
700 DP: Generic Control Systems or Specific Applications (Data Processing) 7 13 9 13 11 53
073 Measuring and Testing 6 16 8 10 11 51
711 Memory (Electrical Computers and Digital Processing Systems) 3 9 8 11 20 51
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 8 14 11 7 7 47
057 Textiles: Spinning, Twisting, and Twining 13 12 7 7 6 45
324 Electricity: Measuring and Testing 3 11 10 7 14 45
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 5 7 21 9 45
062 Refrigeration 4 2 8 10 20 44
134 Cleaning and Liquid Contact with Solids 10 13 10 4 7 44
252 Compositions 9 9 11 10 5 44
438 Semiconductor Device Manufacturing: Process 6 4 16 8 10 44
359 Optics: Systems (Including Communication) and Elements 9 6 10 9 9 43
248 Supports (e.g., for holding articles, etc.) 3 11 10 8 8 40
376 Induced Nuclear Reactions: Processes, Systems, and Elements 6 14 7 3 10 40
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 5 7 10 10 8 40
320 Electricity: Battery or Capacitor Charging or Discharging 3 9 10 13 4 39
131 Tobacco 14 12 2 7 3 38
242 Winding, Tensioning, or Guiding 5 10 8 11 4 38
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 4 5 10 14 38
414 Material or Article Handling 3 6 6 14 9 38
015 Brushing, Scrubbing, and General Cleaning 8 9 8 9 3 37
137 Fluid Handling 4 5 10 8 10 37
222 Dispensing (apparatus and process) 5 6 15 7 4 37
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 12 7 5 7 37
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 7 11 7 4 8 37
362 Illumination 4 8 5 7 11 35
363 Electric Power Conversion Systems 3 7 5 11 9 35
405 Hydraulic and Earth Engineering 7 12 2 7 7 35
602 Surgery: Splint, Brace, or Bandage 2 10 7 12 4 35
604 Surgery (Medicators and Receptors) 4 9 7 6 9 35
280 Land Vehicles 5 7 6 8 8 34
310 Electrical Generator or Motor Structure 2 4 8 7 13 34
330 Amplifiers 2 2 1 10 19 34
473 Games Using Tangible Projectile 6 8 8 7 5 34
053 Package Making 12 9 4 3 4 32
055 Gas Separation 6 11 6 6 2 31
119 Animal Husbandry 5 7 7 5 7 31
382 Image Analysis 6 3 12 6 4 31
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 5 5 10 7 30
717 DP: Software Development, Installation, and Management (Data Processing) 3 1 7 6 13 30
005 Beds 7 2 3 11 6 29
211 Supports: Racks 8 5 6 5 5 29
323 Electricity: Power Supply or Regulation Systems 5 9 3 6 6 29
307 Electrical Transmission or Interconnection Systems 4 6 6 6 6 28
400 Typewriting Machines 4 3 5 6 10 28
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 6 3 8 7 28
188 Brakes 3 6 5 4 9 27
033 Geometrical Instruments 9 6 3 4 4 26
074 Machine Element or Mechanism 4 2 5 10 5 26
417 Pumps 2 2 6 13 3 26
036 Boots, Shoes, and Leggings 2 7 6 2 8 25
220 Receptacles 5 4 3 7 6 25
312 Supports: Cabinet Structure 4 5 7 5 4 25
341 Coded Data Generation or Conversion 2 6 5 4 7 24
482 Exercise Devices 7 7 4 4 2 24
504 Plant Protecting and Regulating Compositions 5 8 4 2 5 24
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 4 2 3 8 7 24
180 Motor Vehicles 3 2 2 7 9 23
198 Conveyors: Power-Driven 4 6 4 5 4 23
356 Optics: Measuring and Testing 2 3 7 5 6 23
423 Chemistry of Inorganic Compounds 2 5 6 5 5 23
123 Internal-Combustion Engines 2 4 3 6 7 22
056 Harvesters 1 3 3 7 7 21
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 2 4 6 7 21
083 Cutting 5 5 3 4 3 20
114 Ships 6 5 1 5 3 20
139 Textiles: Weaving 2 2 4 7 5 20
224 Package and Article Carriers 3 6 2 3 6 20
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 2 4 7 4 20
241 Solid Material Comminution or Disintegration 6 5 5 0 4 20
016 Miscellaneous Hardware 4 4 2 3 6 19
040 Card, Picture, or Sign Exhibiting 2 2 7 4 4 19
068 Textiles: Fluid Treating Apparatus 2 2 6 5 4 19
095 Gas Separation: Processes 5 4 1 5 4 19
112 Sewing 6 3 4 2 4 19
228 Metal Fusion Bonding 4 0 3 5 7 19
250 Radiant Energy 3 3 5 4 4 19
294 Handling: Hand and Hoist-Line Implements 3 4 5 3 4 19
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 4 4 2 4 19
426 Food or Edible Material: Processes, Compositions, and Products 7 0 2 4 6 19
436 Chemistry: Analytical and Immunological Testing 3 3 6 3 4 19
607 Surgery: Light, Thermal, and Electrical Application 4 4 4 4 3 19
004 Baths, Closets, Sinks, and Spittoons 3 2 5 4 4 18
043 Fishing, Trapping, and Vermin Destroying 0 2 7 4 5 18
160 Flexible or Portable Closure, Partition, or Panel 2 4 1 6 5 18
296 Land Vehicles: Bodies and Tops 1 6 3 5 3 18
365 Static Information Storage and Retrieval 1 4 5 1 7 18
451 Abrading 3 3 3 3 6 18
024 Buckles, Buttons, Clasps, Etc. 4 2 4 3 4 17
065 Glass Manufacturing 5 1 3 4 4 17
200 Electricity: Circuit Makers and Breakers 2 8 3 3 1 17
434 Education and Demonstration 2 4 3 4 4 17
034 Drying and Gas or Vapor Contact with Solids 2 1 6 3 4 16
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 4 2 3 4 3 16
092 Expansible Chamber Devices 6 3 1 1 5 16
126 Stoves and Furnaces 7 3 2 1 3 16
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 5 2 3 4 16
070 Locks 3 2 7 1 2 15
108 Horizontally Supported Planar Surfaces 2 5 3 4 1 15
229 Envelopes, Wrappers, and Paperboard Boxes 3 2 3 2 5 15
267 Spring Devices 2 2 5 3 3 15
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 1 3 4 6 15
407 Cutters, for Shaping 2 5 4 1 3 15
446 Amusement Devices: Toys 2 3 0 4 6 15
030 Cutlery 0 5 4 2 3 14
099 Foods and Beverages: Apparatus 1 5 4 2 2 14
101 Printing 2 2 4 2 4 14
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 4 1 3 2 14
028 Textiles: Manufacturing 1 2 5 1 4 13
118 Coating Apparatus 2 5 1 3 2 13
144 Woodworking 3 6 2 2 0 13
162 Paper Making and Fiber Liberation 5 3 2 0 3 13
331 Oscillators 0 2 2 4 5 13
336 Inductor Devices 3 3 1 2 4 13
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 2 0 1 6 13
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 2 2 4 3 2 13
725 Interactive Video Distribution Systems 3 5 5 0 0 13
019 Textiles: Fiber Preparation 2 5 3 1 1 12
042 Firearms 1 1 5 1 4 12
047 Plant Husbandry 1 0 5 4 2 12
192 Clutches and Power-Stop Control 1 2 5 1 3 12
204 Chemistry: Electrical and Wave Energy 2 5 2 2 1 12
244 Aeronautics 1 3 2 1 5 12
251 Valves and Valve Actuation 2 2 1 6 1 12
318 Electricity: Motive Power Systems 4 3 2 1 2 12
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 2 1 2 7 12
060 Power Plants 3 1 1 1 5 11
072 Metal Deforming 6 0 1 1 3 11
181 Acoustics 2 3 1 4 1 11
239 Fluid Sprinkling, Spraying, and Diffusing 1 1 2 5 2 11
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 1 1 5 3 11
313 Electric Lamp and Discharge Devices 3 1 5 2 0 11
381 Electrical Audio Signal Processing Systems and Devices 1 5 4 1 0 11
409 Gear Cutting, Milling, or Planing 4 4 2 1 0 11
454 Ventilation 0 4 1 4 2 11
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 2 0 1 2 6 11
082 Turning (e.g., for metal working) 3 1 3 1 2 10
135 Tent, Canopy, Umbrella, or Cane 1 2 3 2 2 10
138 Pipes and Tubular Conduits 0 5 2 3 0 10
223 Apparel Apparatus 4 2 4 0 0 10
269 Work Holders 3 1 2 2 2 10
273 Amusement Devices: Games 1 2 4 2 1 10
285 Pipe Joints or Couplings 2 2 2 1 3 10
348 Television 3 2 3 0 2 10
378 X-Ray or Gamma Ray Systems or Devices 2 0 2 3 3 10
383 Flexible Bags 2 1 1 2 4 10
384 Bearings 2 2 1 0 5 10
403 Joints and Connections 5 2 0 2 1 10
096 Gas Separation: Apparatus 2 2 1 1 3 9
106 Compositions: Coating or Plastic 1 2 2 2 2 9
182 Fire Escape, Ladder, or Scaffold 2 3 2 0 2 9
315 Electric Lamp and Discharge Devices: Systems 3 0 4 0 2 9
333 Wave Transmission Lines and Networks 1 0 2 3 3 9
369 Dynamic Information Storage or Retrieval 0 2 4 3 0 9
373 Industrial Electric Heating Furnaces 0 1 5 3 0 9
380 Cryptography 1 5 0 2 1 9
410 Freight Accommodation On Freight Carrier 1 2 3 2 1 9
601 Surgery: Kinesitherapy 2 4 1 1 1 9
708 Arithmetic Processing and Calculating (Electrical Computers) 0 2 4 3 0 9
026 Textiles: Cloth Finishing 2 2 3 1 0 8
084 Music 2 1 1 3 1 8
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 4 0 2 0 8
132 Toilet 0 4 1 2 1 8
177 Weighing Scales 4 0 0 3 1 8
271 Sheet Feeding or Delivering 3 1 3 1 0 8
292 Closure Fasteners 4 1 2 1 0 8
326 Electronic Digital Logic Circuitry 0 0 1 3 4 8
396 Photography 3 3 0 1 1 8
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 2 0 2 2 8
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 1 3 0 2 8
105 Railway Rolling Stock 1 1 1 2 2 7
184 Lubrication 1 1 2 1 2 7
215 Bottles and Jars 2 1 2 1 1 7
232 Deposit and Collection Receptacles 4 0 3 0 0 7
283 Printed Matter 1 2 2 1 1 7
351 Optics: Eye Examining, Vision Testing and Correcting 3 0 0 3 1 7
366 Agitating (e.g., of articles and materials) 5 0 1 0 1 7
404 Road Structure, Process, or Apparatus 3 2 0 1 1 7
418 Rotary Expansible Chamber Devices 2 0 0 1 4 7
433 Dentistry 1 2 1 1 2 7
440 Marine Propulsion 4 0 1 1 1 7
452 Butchering 0 1 3 3 0 7
472 Amusement Devices 2 1 1 1 2 7
071 Chemistry: Fertilizers 0 3 0 1 2 6
110 Furnaces 3 1 0 2 0 6
164 Metal Founding 0 0 2 1 3 6
165 Heat Exchange 0 2 2 1 1 6
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 5 0 1 6
221 Article Dispensing 1 0 1 2 2 6
347 Incremental Printing of Symbolic Information 0 1 0 3 2 6
353 Optics: Image Projectors 1 2 1 0 2 6
368 Horology: Time Measuring Systems or Devices 1 1 2 0 2 6
406 Conveyors: Fluid Current 1 4 1 0 0 6
475 Planetary Gear Transmission Systems or Components 0 0 0 3 3 6
477 Interrelated Power Delivery Controls, Including Engine Control 1 1 2 1 1 6
706 DP: Artificial Intelligence (Data Processing) 0 3 1 1 1 6
037 Excavating 1 0 1 2 1 5
049 Movable or Removable Closures 0 0 2 1 2 5
081 Tools 0 0 1 1 3 5
124 Mechanical Guns and Projectors 0 0 2 1 2 5
148 Metal Treatment 1 1 1 1 1 5
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 2 1 1 5
172 Earth Working 1 1 1 2 0 5
227 Elongated-Member-Driving Apparatus 1 0 1 3 0 5
337 Electricity: Electrothermally or Thermally Actuated Switches 2 0 1 1 1 5
372 Coherent Light Generators 1 1 1 1 1 5
401 Coating Implements with Material Supply 0 0 0 2 3 5
463 Amusement Devices: Games 0 3 1 0 1 5
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 1 2 1 0 5
585 Chemistry of Hydrocarbon Compounds 0 1 1 1 2 5
089 Ordnance 0 1 0 1 2 4
116 Signals and Indicators 1 0 0 1 2 4
173 Tool Driving or Impacting 0 0 2 2 0 4
175 Boring or Penetrating the Earth 1 1 1 1 0 4
209 Classifying, Separating, and Assorting Solids 0 0 0 3 1 4
236 Automatic Temperature and Humidity Regulation 0 0 2 0 2 4
256 Fences 1 1 1 0 1 4
266 Metallurgical Apparatus 2 0 2 0 0 4
303 Fluid-Pressure and Analogous Brake Systems 2 0 0 1 1 4
322 Electricity: Single Generator Systems 1 0 0 0 3 4
349 Liquid Crystal Cells, Elements and Systems 1 1 0 1 1 4
358 Facsimile and Static Presentation Processing 2 1 0 1 0 4
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 3 1 0 0 4
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 1 1 0 2 4
416 Fluid Reaction Surfaces (i.e., Impellers) 1 0 1 1 1 4
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 1 1 0 0 4
474 Endless Belt Power Transmission Systems or Components 2 0 1 1 0 4
501 Compositions: Ceramic 0 2 0 1 1 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 0 2 0 4
588 Hazardous or Toxic Waste Destruction or Containment 1 2 1 0 0 4
091 Motors: Expansible Chamber Type 0 1 0 1 1 3
100 Presses 1 1 1 0 0 3
150 Purses, Wallets, and Protective Covers 0 2 0 0 1 3
152 Resilient Tires and Wheels 0 1 0 0 2 3
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 2 3
212 Traversing Hoists 1 1 0 1 0 3
226 Advancing Material of Indeterminate Length 0 0 0 2 1 3
249 Static Molds 0 0 1 0 2 3
261 Gas and Liquid Contact Apparatus 2 1 0 0 0 3
277 Seal for a Joint or Juncture 0 0 0 1 2 3
281 Books, Strips, and Leaves 0 1 0 2 0 3
332 Modulators 0 2 0 0 1 3
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 1 1 0 3
338 Electrical Resistors 0 1 0 0 2 3
374 Thermal Measuring and Testing 0 1 0 1 1 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 2 1 3
408 Cutting by Use of Rotating Axially Moving Tool 1 2 0 0 0 3
415 Rotary Kinetic Fluid Motors or Pumps 1 0 1 0 1 3
431 Combustion 2 1 0 0 0 3
432 Heating 2 0 1 0 0 3
001 ** Classification Undetermined ** 0 0 1 0 1 2
012 Boot and Shoe Making 0 0 2 0 0 2
038 Textiles: Ironing or Smoothing 1 0 0 0 1 2
044 Fuel and Related Compositions 1 0 1 0 0 2
102 Ammunition and Explosives 0 0 0 0 2 2
104 Railways 1 0 0 0 1 2
109 Safes, Bank Protection, or a Related Device 1 0 1 0 0 2
111 Planting 0 1 0 0 1 2
159 Concentrating Evaporators 0 2 0 0 0 2
169 Fire Extinguishers 1 0 0 1 0 2
216 Etching a Substrate: Processes 1 0 0 0 1 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 1 0 0 2
260 Chemistry of Carbon Compounds 1 1 0 0 0 2
270 Sheet-Material Associating 1 1 0 0 0 2
279 Chucks or Sockets 1 1 0 0 0 2
293 Vehicle Fenders 0 0 0 0 2 2
392 Electric Resistance Heating Devices 0 0 1 0 1 2
399 Electrophotography 1 1 0 0 0 2
412 Bookbinding: Process and Apparatus 1 1 0 0 0 2
420 Alloys or Metallic Compositions 0 0 1 1 0 2
441 Buoys, Rafts, and Aquatic Devices 1 1 0 0 0 2
450 Foundation Garments 1 1 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 2 0 0 0 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 1 0 1 2
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 2 0 0 2
014 Bridges 1 0 0 0 0 1
027 Undertaking 0 0 0 0 1 1
048 Gas: Heating and Illuminating 0 1 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 1 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 0 1 1
122 Liquid Heaters and Vaporizers 0 0 1 0 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 1 1
140 Wireworking 0 1 0 0 0 1
147 Coopering 0 0 0 0 1 1
178 Telegraphy 0 0 0 0 1 1
191 Electricity: Transmission To Vehicles 0 0 0 1 0 1
194 Check-Actuated Control Mechanisms 1 0 0 0 0 1
202 Distillation: Apparatus 0 1 0 0 0 1
289 Knots and Knot Tying 0 0 0 1 0 1
298 Land Vehicles: Dumping 1 0 0 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 1 0 0 0 1
301 Land Vehicles: Wheels and Axles 0 0 0 0 1 1
346 Recorders 0 1 0 0 0 1
355 Photocopying 0 0 1 0 0 1
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 0 1 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 0 0 1
386 Television Signal Processing for Dynamic Recording or Reproducing 1 0 0 0 0 1
460 Crop Threshing or Separating 0 1 0 0 0 1
492 Roll or Roller 0 1 0 0 0 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 1 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 0 1
ALL ALL CLASSES 1262 1614 1734 1846 1946 8402



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

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Last Modified: April 9, 2002