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 1996 - 2000 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 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 61 78 81 100 98 418
435 Chemistry: Molecular Biology and Microbiology 46 59 66 71 51 293
455 Telecommunications 9 3 31 66 94 203
428 Stock Material or Miscellaneous Articles 31 40 38 44 37 190
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 33 33 28 44 36 174
439 Electrical Connectors 31 34 30 29 36 160
370 Multiplex Communications 26 19 30 38 43 156
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 15 10 27 49 55 156
532 Organic Compounds (includes Classes 532-570) 30 37 23 31 25 146
361 Electricity: Electrical Systems and Devices 22 18 29 28 33 130
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 9 9 36 36 35 125
385 Optical Waveguides 12 18 17 27 41 115
128 Surgery (includes Class 600) 19 15 25 11 30 100
375 Pulse or Digital Communications 13 7 25 28 25 98
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 13 17 29 14 18 91
210 Liquid Purification or Separation 20 14 19 16 15 84
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 2 8 18 20 30 78
052 Static Structures (e.g., Buildings) 11 10 12 20 19 72
710 Input/Output (Electrical Computers and Digital Processing Systems) 3 5 17 20 26 71
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 12 7 15 16 17 67
029 Metal Working 12 10 14 16 15 67
219 Electric Heating 7 8 12 18 20 65
379 Telephonic Communications 5 5 15 21 19 65
297 Chairs and Seats 14 12 12 11 14 63
002 Apparel 12 14 10 12 11 59
340 Communications: Electrical 5 11 11 16 16 59
343 Communications: Radio Wave Antennas 2 0 9 30 18 59
206 Special Receptacle or Package 9 8 17 11 12 57
427 Coating Processes 12 9 8 13 15 57
606 Surgery (instruments) 9 12 8 10 17 56
066 Textiles: Knitting 14 13 8 8 12 55
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 13 11 17 6 8 55
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 5 9 11 13 15 53
174 Electricity: Conductors and Insulators 7 10 9 10 17 53
714 Error Detection/Correction and Fault Detection/Recovery 7 5 12 19 10 53
700 DP: Generic Control Systems or Specific Applications (Data Processing) 9 7 13 9 13 51
713 Support (Electrical Computers and Digital Processing Systems) 2 2 19 9 18 50
073 Measuring and Testing 9 6 16 8 10 49
131 Tobacco 14 14 12 2 7 49
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 5 6 14 10 14 49
134 Cleaning and Liquid Contact with Solids 10 10 13 10 4 47
252 Compositions 6 9 9 11 10 45
324 Electricity: Measuring and Testing 14 3 11 10 7 45
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 15 6 12 7 5 45
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 8 14 11 7 44
057 Textiles: Spinning, Twisting, and Twining 4 13 12 7 7 43
359 Optics: Systems (Including Communication) and Elements 7 9 6 10 9 41
376 Induced Nuclear Reactions: Processes, Systems, and Elements 11 6 14 7 3 41
222 Dispensing (apparatus and process) 6 5 6 15 7 39
015 Brushing, Scrubbing, and General Cleaning 3 8 9 8 9 37
242 Winding, Tensioning, or Guiding 3 5 10 8 11 37
248 Supports (e.g., for holding articles, etc.) 6 3 11 10 7 37
137 Fluid Handling 9 4 5 10 8 36
320 Electricity: Battery or Capacitor Charging or Discharging 1 3 9 10 13 36
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 4 5 7 10 10 36
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 0 3 5 7 21 36
211 Supports: Racks 10 8 5 6 5 34
280 Land Vehicles 8 5 7 6 8 34
438 Semiconductor Device Manufacturing: Process 0 6 4 16 8 34
473 Games Using Tangible Projectile 5 6 8 8 7 34
005 Beds 10 7 2 3 11 33
053 Package Making 5 12 9 4 3 33
604 Surgery (Medicators and Receptors) 7 4 9 7 6 33
405 Hydraulic and Earth Engineering 4 7 12 2 7 32
414 Material or Article Handling 3 3 6 6 14 32
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 7 11 7 4 32
602 Surgery: Splint, Brace, or Bandage 1 2 10 7 12 32
055 Gas Separation 2 6 11 6 6 31
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 5 4 5 10 31
362 Illumination 7 4 8 5 7 31
711 Memory (Electrical Computers and Digital Processing Systems) 0 3 9 8 11 31
382 Image Analysis 3 6 3 12 6 30
119 Animal Husbandry 5 5 7 7 5 29
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 6 3 5 5 10 29
312 Supports: Cabinet Structure 8 4 5 7 5 29
417 Pumps 6 2 2 6 13 29
062 Refrigeration 4 4 2 8 10 28
702 DP: Measuring, Calibrating, or Testing (Data Processing) 7 4 6 3 8 28
307 Electrical Transmission or Interconnection Systems 4 4 6 6 6 26
323 Electricity: Power Supply or Regulation Systems 3 5 9 3 6 26
363 Electric Power Conversion Systems 0 3 7 5 11 26
482 Exercise Devices 4 7 7 4 4 26
033 Geometrical Instruments 2 9 6 3 4 24
220 Receptacles 5 5 4 3 7 24
504 Plant Protecting and Regulating Compositions 5 5 8 4 2 24
074 Machine Element or Mechanism 1 4 2 5 11 23
188 Brakes 5 3 6 5 4 23
310 Electrical Generator or Motor Structure 2 2 4 8 7 23
083 Cutting 5 5 5 3 4 22
423 Chemistry of Inorganic Compounds 4 2 5 6 5 22
112 Sewing 6 6 3 4 2 21
250 Radiant Energy 6 3 3 5 4 21
607 Surgery: Light, Thermal, and Electrical Application 5 4 4 4 4 21
036 Boots, Shoes, and Leggings 3 2 7 6 2 20
123 Internal-Combustion Engines 5 2 4 3 6 20
200 Electricity: Circuit Makers and Breakers 4 2 8 3 3 20
241 Solid Material Comminution or Disintegration 4 6 5 5 0 20
341 Coded Data Generation or Conversion 3 2 6 5 4 20
400 Typewriting Machines 2 4 3 5 6 20
068 Textiles: Fluid Treating Apparatus 4 2 2 6 5 19
198 Conveyors: Power-Driven 0 4 6 4 5 19
224 Package and Article Carriers 5 3 6 2 3 19
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 3 3 2 4 7 19
294 Handling: Hand and Hoist-Line Implements 4 3 4 5 3 19
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 4 5 4 4 2 19
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 4 2 3 8 19
717 DP: Software Development, Installation, and Management (Data Processing) 2 3 1 7 6 19
725 Interactive Video Distribution Systems 6 3 5 5 0 19
004 Baths, Closets, Sinks, and Spittoons 4 3 2 5 4 18
016 Miscellaneous Hardware 5 4 4 2 3 18
043 Fishing, Trapping, and Vermin Destroying 5 0 2 7 4 18
114 Ships 1 6 5 1 5 18
356 Optics: Measuring and Testing 1 2 3 7 5 18
095 Gas Separation: Processes 2 5 4 1 5 17
108 Horizontally Supported Planar Surfaces 3 2 5 3 4 17
126 Stoves and Furnaces 4 7 3 2 1 17
099 Foods and Beverages: Apparatus 4 1 5 4 2 16
139 Textiles: Weaving 1 2 2 4 7 16
296 Land Vehicles: Bodies and Tops 1 1 6 3 5 16
313 Electric Lamp and Discharge Devices 5 3 1 5 2 16
330 Amplifiers 1 2 2 1 10 16
436 Chemistry: Analytical and Immunological Testing 1 3 3 6 3 16
040 Card, Picture, or Sign Exhibiting 0 2 2 7 4 15
056 Harvesters 1 1 3 3 7 15
070 Locks 2 3 2 7 1 15
180 Motor Vehicles 1 3 2 2 7 15
407 Cutters, for Shaping 3 2 5 4 1 15
426 Food or Edible Material: Processes, Compositions, and Products 2 7 0 2 4 15
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 4 4 1 3 15
024 Buckles, Buttons, Clasps, Etc. 1 4 2 4 3 14
028 Textiles: Manufacturing 5 1 2 5 1 14
034 Drying and Gas or Vapor Contact with Solids 2 2 1 6 3 14
065 Glass Manufacturing 1 5 1 3 4 14
144 Woodworking 1 3 6 2 2 14
162 Paper Making and Fiber Liberation 4 5 3 2 0 14
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 2 5 2 3 14
228 Metal Fusion Bonding 2 4 0 3 5 14
251 Valves and Valve Actuation 3 2 2 1 6 14
267 Spring Devices 2 2 2 5 3 14
451 Abrading 2 3 3 3 3 14
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 2 2 4 6 14
030 Cutlery 2 0 5 4 2 13
047 Plant Husbandry 3 1 0 5 4 13
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 4 2 3 4 13
092 Expansible Chamber Devices 2 6 3 1 1 13
160 Flexible or Portable Closure, Partition, or Panel 0 2 4 1 6 13
204 Chemistry: Electrical and Wave Energy 2 2 5 2 2 13
273 Amusement Devices: Games 4 1 2 4 2 13
348 Television 5 3 2 3 0 13
381 Electrical Audio Signal Processing Systems and Devices 2 1 5 4 1 13
434 Education and Demonstration 0 2 4 3 4 13
454 Ventilation 4 0 4 1 4 13
019 Textiles: Fiber Preparation 1 2 5 3 1 12
101 Printing 2 2 2 4 2 12
118 Coating Apparatus 1 2 5 1 3 12
192 Clutches and Power-Stop Control 3 1 2 5 1 12
229 Envelopes, Wrappers, and Paperboard Boxes 2 3 2 3 2 12
239 Fluid Sprinkling, Spraying, and Diffusing 3 1 1 2 5 12
285 Pipe Joints or Couplings 5 2 2 2 1 12
318 Electricity: Motive Power Systems 2 4 3 2 1 12
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 2 2 4 3 12
708 Arithmetic Processing and Calculating (Electrical Computers) 3 0 2 4 3 12
106 Compositions: Coating or Plastic 4 1 2 2 2 11
138 Pipes and Tubular Conduits 1 0 5 2 3 11
182 Fire Escape, Ladder, or Scaffold 4 2 3 2 0 11
365 Static Information Storage and Retrieval 0 1 4 5 1 11
409 Gear Cutting, Milling, or Planing 0 4 4 2 1 11
446 Amusement Devices: Toys 2 2 3 0 4 11
601 Surgery: Kinesitherapy 3 2 4 1 1 11
026 Textiles: Cloth Finishing 2 2 2 3 1 10
042 Firearms 2 1 1 5 1 10
110 Furnaces 4 3 1 0 2 10
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 4 0 2 10
181 Acoustics 0 2 3 1 4 10
223 Apparel Apparatus 0 4 2 4 0 10
336 Inductor Devices 1 3 3 1 2 10
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 1 1 1 3 4 10
060 Power Plants 3 3 1 1 1 9
072 Metal Deforming 1 6 0 1 1 9
271 Sheet Feeding or Delivering 1 3 1 3 1 9
292 Closure Fasteners 1 4 1 2 1 9
315 Electric Lamp and Discharge Devices: Systems 2 3 0 4 0 9
369 Dynamic Information Storage or Retrieval 0 0 2 4 3 9
373 Industrial Electric Heating Furnaces 0 0 1 5 3 9
380 Cryptography 1 1 5 0 2 9
383 Flexible Bags 3 2 1 1 2 9
403 Joints and Connections 0 5 2 0 2 9
404 Road Structure, Process, or Apparatus 3 3 2 0 1 9
452 Butchering 2 0 1 3 3 9
082 Turning (e.g., for metal working) 0 3 1 3 1 8
096 Gas Separation: Apparatus 2 2 2 1 1 8
135 Tent, Canopy, Umbrella, or Cane 0 1 2 3 2 8
165 Heat Exchange 3 0 2 2 1 8
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 3 0 0 5 0 8
244 Aeronautics 1 1 3 2 1 8
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 1 1 5 8
269 Work Holders 0 3 1 2 2 8
331 Oscillators 0 0 2 2 4 8
366 Agitating (e.g., of articles and materials) 2 5 0 1 0 8
378 X-Ray or Gamma Ray Systems or Devices 1 2 0 2 3 8
410 Freight Accommodation On Freight Carrier 0 1 2 3 2 8
440 Marine Propulsion 2 4 0 1 1 8
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 2 1 3 0 8
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 1 1 2 1 8
049 Movable or Removable Closures 4 0 0 2 1 7
084 Music 0 2 1 1 3 7
132 Toilet 0 0 4 1 2 7
172 Earth Working 2 1 1 1 2 7
177 Weighing Scales 0 4 0 0 3 7
215 Bottles and Jars 1 2 1 2 1 7
227 Elongated-Member-Driving Apparatus 2 1 0 1 3 7
232 Deposit and Collection Receptacles 0 4 0 3 0 7
283 Printed Matter 1 1 2 2 1 7
333 Wave Transmission Lines and Networks 1 1 0 2 3 7
351 Optics: Eye Examining, Vision Testing and Correcting 1 3 0 0 3 7
396 Photography 0 3 3 0 1 7
406 Conveyors: Fluid Current 1 1 4 1 0 7
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 2 2 0 2 7
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 2 2 0 1 2 7
037 Excavating 2 1 0 1 2 6
071 Chemistry: Fertilizers 2 0 3 0 1 6
100 Presses 3 1 1 1 0 6
221 Article Dispensing 2 1 0 1 2 6
266 Metallurgical Apparatus 2 2 0 2 0 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 0 3 1 0 6
372 Coherent Light Generators 2 1 1 1 1 6
384 Bearings 1 2 2 1 0 6
433 Dentistry 1 1 2 1 1 6
477 Interrelated Power Delivery Controls, Including Engine Control 1 1 1 2 1 6
588 Hazardous or Toxic Waste Destruction or Containment 2 1 2 1 0 6
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 3 2 0 1 6
105 Railway Rolling Stock 0 1 1 1 2 5
124 Mechanical Guns and Projectors 2 0 0 2 1 5
175 Boring or Penetrating the Earth 1 1 1 1 1 5
184 Lubrication 0 1 1 2 1 5
226 Advancing Material of Indeterminate Length 3 0 0 0 2 5
326 Electronic Digital Logic Circuitry 1 0 0 1 3 5
337 Electricity: Electrothermally or Thermally Actuated Switches 1 2 0 1 1 5
358 Facsimile and Static Presentation Processing 1 2 1 0 1 5
368 Horology: Time Measuring Systems or Devices 1 1 1 2 0 5
431 Combustion 2 2 1 0 0 5
432 Heating 2 2 0 1 0 5
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 2 1 1 0 5
463 Amusement Devices: Games 1 0 3 1 0 5
472 Amusement Devices 0 2 1 1 1 5
474 Endless Belt Power Transmission Systems or Components 1 2 0 1 1 5
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 2 1 2 5
706 DP: Artificial Intelligence (Data Processing) 0 0 3 1 1 5
081 Tools 2 0 0 1 1 4
148 Metal Treatment 0 1 1 1 1 4
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 1 2 1 4
173 Tool Driving or Impacting 0 0 0 2 2 4
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 2 1 0 1 0 4
256 Fences 1 1 1 1 0 4
281 Books, Strips, and Leaves 1 0 1 0 2 4
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 1 0 1 1 4
347 Incremental Printing of Symbolic Information 0 0 1 0 3 4
353 Optics: Image Projectors 0 1 2 1 0 4
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 2 0 0 0 2 4
416 Fluid Reaction Surfaces (i.e., Impellers) 1 1 0 1 1 4
418 Rotary Expansible Chamber Devices 1 2 0 0 1 4
475 Planetary Gear Transmission Systems or Components 1 0 0 0 3 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 1 0 2 4
116 Signals and Indicators 1 1 0 0 1 3
122 Liquid Heaters and Vaporizers 2 0 0 1 0 3
150 Purses, Wallets, and Protective Covers 1 0 2 0 0 3
164 Metal Founding 0 0 0 2 1 3
209 Classifying, Separating, and Assorting Solids 0 0 0 0 3 3
212 Traversing Hoists 0 1 1 0 1 3
216 Etching a Substrate: Processes 2 1 0 0 0 3
261 Gas and Liquid Contact Apparatus 0 2 1 0 0 3
279 Chucks or Sockets 1 1 1 0 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 2 0 0 1 3
349 Liquid Crystal Cells, Elements and Systems 0 1 1 0 1 3
374 Thermal Measuring and Testing 1 0 1 0 1 3
408 Cutting by Use of Rotating Axially Moving Tool 0 1 2 0 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 1 1 0 3
415 Rotary Kinetic Fluid Motors or Pumps 1 1 0 1 0 3
441 Buoys, Rafts, and Aquatic Devices 1 1 1 0 0 3
492 Roll or Roller 2 0 1 0 0 3
501 Compositions: Ceramic 0 0 2 0 1 3
585 Chemistry of Hydrocarbon Compounds 0 0 1 1 1 3
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 1 0 0 2 0 3
001 ** Classification Undetermined ** 1 0 0 1 0 2
012 Boot and Shoe Making 0 0 0 2 0 2
038 Textiles: Ironing or Smoothing 1 1 0 0 0 2
044 Fuel and Related Compositions 0 1 0 1 0 2
089 Ordnance 0 0 1 0 1 2
091 Motors: Expansible Chamber Type 0 0 1 0 1 2
109 Safes, Bank Protection, or a Related Device 0 1 0 1 0 2
140 Wireworking 1 0 1 0 0 2
159 Concentrating Evaporators 0 0 2 0 0 2
169 Fire Extinguishers 0 1 0 0 1 2
203 Distillation: Processes, Separatory 2 0 0 0 0 2
236 Automatic Temperature and Humidity Regulation 0 0 0 2 0 2
260 Chemistry of Carbon Compounds 0 1 1 0 0 2
270 Sheet-Material Associating 0 1 1 0 0 2
277 Seal for a Joint or Juncture 1 0 0 0 1 2
322 Electricity: Single Generator Systems 1 1 0 0 0 2
332 Modulators 0 0 2 0 0 2
338 Electrical Resistors 1 0 1 0 0 2
386 Television Signal Processing for Dynamic Recording or Reproducing 1 1 0 0 0 2
399 Electrophotography 0 1 1 0 0 2
401 Coating Implements with Material Supply 0 0 0 0 2 2
412 Bookbinding: Process and Apparatus 0 1 1 0 0 2
420 Alloys or Metallic Compositions 0 0 0 1 1 2
450 Foundation Garments 0 1 1 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 2 0 0 2
014 Bridges 0 1 0 0 0 1
027 Undertaking 1 0 0 0 0 1
048 Gas: Heating and Illuminating 0 0 1 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 0 1 1
104 Railways 0 1 0 0 0 1
111 Planting 0 0 1 0 0 1
152 Resilient Tires and Wheels 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 0 0 0 1 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 1 1
194 Check-Actuated Control Mechanisms 0 1 0 0 0 1
202 Distillation: Apparatus 0 0 1 0 0 1
249 Static Molds 0 0 0 1 0 1
289 Knots and Knot Tying 0 0 0 0 1 1
298 Land Vehicles: Dumping 0 1 0 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 1 0 0 1
301 Land Vehicles: Wheels and Axles 1 0 0 0 0 1
346 Recorders 0 0 1 0 0 1
355 Photocopying 0 0 0 1 0 1
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 0 0 1
392 Electric Resistance Heating Devices 0 0 0 1 0 1
419 Powder Metallurgy Processes 1 0 0 0 0 1
460 Crop Threshing or Separating 0 0 1 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
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 1 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 1 1
ALL ALL CLASSES 1188 1262 1614 1734 1846 7644



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/

[Top] [Regional Listing] [TAF Home Page] [USPTO Home Page]

Last Modified: April 30, 2001