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

WASHINGTON

(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
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 34 68 90 104 109 405
435 Chemistry: Molecular Biology and Microbiology 51 62 89 71 90 363
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 32 58 85 86 72 333
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 29 42 80 82 91 324
128 Surgery (includes Class 600) 49 59 51 51 53 263
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 8 20 59 53 68 208
244 Aeronautics 10 22 35 31 34 132
382 Image Analysis 6 15 38 37 34 130
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 11 20 38 37 19 125
073 Measuring and Testing 15 22 24 23 33 117
607 Surgery: Light, Thermal, and Electrical Application 22 23 26 23 15 109
324 Electricity: Measuring and Testing 27 18 18 22 21 106
347 Incremental Printing of Symbolic Information 11 16 23 18 35 103
428 Stock Material or Miscellaneous Articles 20 16 24 31 12 103
532 Organic Compounds (includes Classes 532-570) 18 18 22 21 22 101
280 Land Vehicles 17 16 22 22 19 96
455 Telecommunications 6 11 23 31 23 94
340 Communications: Electrical 12 11 13 24 25 85
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 17 6 14 19 26 82
717 DP: Software Development, Installation, and Management (Data Processing) 6 6 23 11 26 72
604 Surgery (Medicators and Receptors) 15 12 21 13 10 71
210 Liquid Purification or Separation 13 17 10 17 11 68
606 Surgery (instruments) 9 15 12 13 15 64
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 4 12 24 20 63
400 Typewriting Machines 9 12 16 14 11 62
029 Metal Working 14 15 8 10 14 61
219 Electric Heating 11 15 17 5 12 60
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 5 10 26 18 60
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 9 16 9 10 14 58
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 14 17 16 9 58
713 Support (Electrical Computers and Digital Processing Systems) 7 10 14 13 14 58
358 Facsimile and Static Presentation Processing 11 13 11 14 5 54
370 Multiplex Communications 3 10 13 12 16 54
714 Error Detection/Correction and Fault Detection/Recovery 13 6 14 8 13 54
052 Static Structures (e.g., Buildings) 6 9 13 8 16 52
060 Power Plants 9 9 12 13 9 52
359 Optics: Systems (Including Communication) and Elements 8 6 10 12 13 49
248 Supports (e.g., for holding articles, etc.) 8 6 12 6 16 48
473 Games Using Tangible Projectile 7 9 13 9 8 46
114 Ships 6 12 8 7 12 45
414 Material or Article Handling 7 7 13 11 7 45
711 Memory (Electrical Computers and Digital Processing Systems) 8 4 10 10 13 45
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 8 10 8 9 8 43
250 Radiant Energy 6 14 9 9 4 42
361 Electricity: Electrical Systems and Devices 7 8 8 4 15 42
375 Pulse or Digital Communications 4 3 5 21 9 42
356 Optics: Measuring and Testing 5 9 14 6 7 41
438 Semiconductor Device Manufacturing: Process 2 5 7 15 12 41
379 Telephonic Communications 8 11 9 5 7 40
119 Animal Husbandry 9 5 12 8 5 39
137 Fluid Handling 8 4 7 15 4 38
426 Food or Edible Material: Processes, Compositions, and Products 6 4 8 11 9 38
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 6 10 7 9 5 37
482 Exercise Devices 10 5 9 6 6 36
725 Interactive Video Distribution Systems 1 7 15 9 4 36
084 Music 6 6 8 6 9 35
405 Hydraulic and Earth Engineering 5 8 8 9 5 35
239 Fluid Sprinkling, Spraying, and Diffusing 3 2 9 12 8 34
123 Internal-Combustion Engines 9 3 8 10 3 33
062 Refrigeration 5 11 7 3 5 31
376 Induced Nuclear Reactions: Processes, Systems, and Elements 9 5 9 5 3 31
436 Chemistry: Analytical and Immunological Testing 4 8 5 7 7 31
099 Foods and Beverages: Apparatus 6 9 2 2 11 30
341 Coded Data Generation or Conversion 7 6 3 8 6 30
362 Illumination 3 4 6 6 11 30
206 Special Receptacle or Package 7 4 8 2 8 29
348 Television 4 3 11 8 3 29
224 Package and Article Carriers 6 9 6 1 6 28
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 0 7 7 9 28
385 Optical Waveguides 3 8 11 4 2 28
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 5 4 4 8 7 28
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 5 1 5 7 10 28
043 Fishing, Trapping, and Vermin Destroying 2 6 4 9 6 27
273 Amusement Devices: Games 4 6 6 3 8 27
439 Electrical Connectors 3 6 3 5 10 27
451 Abrading 4 2 4 8 9 27
310 Electrical Generator or Motor Structure 2 4 7 6 7 26
434 Education and Demonstration 4 3 7 6 6 26
700 DP: Generic Control Systems or Specific Applications (Data Processing) 5 5 4 8 4 26
702 DP: Measuring, Calibrating, or Testing (Data Processing) 8 4 4 7 3 26
033 Geometrical Instruments 4 1 10 5 5 25
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 6 1 7 7 4 25
047 Plant Husbandry 7 4 4 4 5 24
134 Cleaning and Liquid Contact with Solids 3 4 6 5 6 24
211 Supports: Racks 4 5 7 4 4 24
002 Apparel 0 6 6 3 8 23
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 2 5 8 4 4 23
004 Baths, Closets, Sinks, and Spittoons 4 2 4 8 4 22
433 Dentistry 3 2 9 7 1 22
162 Paper Making and Fiber Liberation 9 4 4 3 1 21
175 Boring or Penetrating the Earth 1 4 3 3 10 21
318 Electricity: Motive Power Systems 2 4 3 7 5 21
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 4 3 5 7 2 21
417 Pumps 1 3 4 7 6 21
015 Brushing, Scrubbing, and General Cleaning 6 3 6 1 4 20
053 Package Making 6 7 4 1 2 20
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 3 2 8 7 20
220 Receptacles 4 4 5 2 4 19
222 Dispensing (apparatus and process) 2 6 1 4 6 19
320 Electricity: Battery or Capacitor Charging or Discharging 3 4 3 5 4 19
363 Electric Power Conversion Systems 2 6 2 2 7 19
427 Coating Processes 3 3 2 8 3 19
005 Beds 4 6 1 1 6 18
030 Cutlery 5 5 4 3 1 18
074 Machine Element or Mechanism 7 1 5 3 2 18
106 Compositions: Coating or Plastic 2 6 2 5 3 18
136 Batteries: Thermoelectric and Photoelectric 3 3 1 5 6 18
180 Motor Vehicles 4 3 0 5 6 18
330 Amplifiers 3 5 1 6 3 18
408 Cutting by Use of Rotating Axially Moving Tool 3 5 4 4 2 18
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 8 0 5 2 3 18
036 Boots, Shoes, and Leggings 0 1 4 5 7 17
182 Fire Escape, Ladder, or Scaffold 1 4 4 5 3 17
198 Conveyors: Power-Driven 3 4 5 2 3 17
294 Handling: Hand and Hoist-Line Implements 5 2 3 5 2 17
351 Optics: Eye Examining, Vision Testing and Correcting 5 3 4 3 2 17
441 Buoys, Rafts, and Aquatic Devices 4 3 1 6 3 17
446 Amusement Devices: Toys 0 1 0 10 6 17
042 Firearms 2 6 3 3 2 16
072 Metal Deforming 0 5 4 1 6 16
174 Electricity: Conductors and Insulators 5 2 3 2 4 16
307 Electrical Transmission or Interconnection Systems 4 2 5 2 3 16
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 2 7 5 2 16
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 4 6 3 3 0 16
056 Harvesters 4 5 2 2 2 15
124 Mechanical Guns and Projectors 2 5 2 2 4 15
204 Chemistry: Electrical and Wave Energy 3 1 3 4 4 15
343 Communications: Radio Wave Antennas 0 2 3 8 2 15
423 Chemistry of Inorganic Compounds 2 2 4 3 4 15
602 Surgery: Splint, Brace, or Bandage 3 1 1 4 6 15
101 Printing 4 2 2 2 4 14
296 Land Vehicles: Bodies and Tops 4 2 3 2 3 14
404 Road Structure, Process, or Apparatus 0 2 1 5 6 14
452 Butchering 6 3 1 3 1 14
034 Drying and Gas or Vapor Contact with Solids 4 0 3 3 3 13
188 Brakes 3 2 2 5 1 13
194 Check-Actuated Control Mechanisms 0 1 2 4 6 13
209 Classifying, Separating, and Assorting Solids 1 1 3 6 2 13
241 Solid Material Comminution or Disintegration 0 4 1 6 2 13
297 Chairs and Seats 2 0 4 4 3 13
315 Electric Lamp and Discharge Devices: Systems 0 1 2 4 6 13
365 Static Information Storage and Retrieval 3 2 1 3 4 13
454 Ventilation 1 3 3 3 3 13
706 DP: Artificial Intelligence (Data Processing) 0 4 4 1 4 13
111 Planting 3 2 1 3 3 12
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 2 1 2 5 12
144 Woodworking 1 2 2 3 4 12
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 0 2 3 4 12
331 Oscillators 3 2 2 3 2 12
380 Cryptography 1 2 3 2 4 12
463 Amusement Devices: Games 0 2 3 4 3 12
108 Horizontally Supported Planar Surfaces 2 1 1 4 3 11
118 Coating Apparatus 3 2 1 2 3 11
200 Electricity: Circuit Makers and Breakers 1 4 4 0 2 11
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 3 1 4 2 11
271 Sheet Feeding or Delivering 4 2 2 1 2 11
312 Supports: Cabinet Structure 3 1 1 2 4 11
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 4 3 2 2 11
588 Hazardous or Toxic Waste Destruction or Containment 3 1 2 1 4 11
040 Card, Picture, or Sign Exhibiting 1 5 1 2 1 10
070 Locks 1 2 2 3 2 10
081 Tools 3 0 4 1 2 10
083 Cutting 1 0 2 4 3 10
177 Weighing Scales 1 1 3 3 2 10
252 Compositions 3 2 2 2 1 10
367 Communications, Electrical: Acoustic Wave Systems and Devices 5 1 1 1 2 10
372 Coherent Light Generators 0 2 4 4 0 10
381 Electrical Audio Signal Processing Systems and Devices 1 1 3 2 3 10
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 3 2 1 4 0 10
708 Arithmetic Processing and Calculating (Electrical Computers) 2 1 3 0 4 10
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 0 2 5 2 10
024 Buckles, Buttons, Clasps, Etc. 4 2 2 1 0 9
135 Tent, Canopy, Umbrella, or Cane 1 1 2 3 2 9
164 Metal Founding 2 3 0 3 1 9
181 Acoustics 2 0 2 4 1 9
228 Metal Fusion Bonding 0 2 4 1 2 9
242 Winding, Tensioning, or Guiding 3 2 2 0 2 9
383 Flexible Bags 2 0 1 2 4 9
440 Marine Propulsion 1 6 1 1 0 9
055 Gas Separation 1 1 1 0 5 8
095 Gas Separation: Processes 0 2 0 4 2 8
126 Stoves and Furnaces 2 3 1 2 0 8
138 Pipes and Tubular Conduits 1 1 1 3 2 8
165 Heat Exchange 4 0 2 1 1 8
229 Envelopes, Wrappers, and Paperboard Boxes 1 0 4 1 2 8
251 Valves and Valve Actuation 1 1 0 3 3 8
269 Work Holders 3 0 2 0 3 8
410 Freight Accommodation On Freight Carrier 4 1 1 0 2 8
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 1 1 0 0 6 8
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 2 2 3 0 8
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 2 0 2 3 8
016 Miscellaneous Hardware 0 1 2 3 1 7
048 Gas: Heating and Illuminating 0 3 3 0 1 7
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 1 5 0 0 7
089 Ordnance 3 0 3 1 0 7
132 Toilet 0 1 1 4 1 7
148 Metal Treatment 1 0 3 2 1 7
149 Explosive and Thermic Compositions or Charges 1 1 2 2 1 7
169 Fire Extinguishers 1 3 0 0 3 7
216 Etching a Substrate: Processes 1 2 0 3 1 7
285 Pipe Joints or Couplings 0 2 3 2 0 7
292 Closure Fasteners 1 3 0 3 0 7
299 Mining or In Situ Disintegration of Hard Material 1 2 1 3 0 7
313 Electric Lamp and Discharge Devices 1 0 2 2 2 7
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 2 0 0 4 1 7
366 Agitating (e.g., of articles and materials) 1 0 3 3 0 7
403 Joints and Connections 0 2 2 1 2 7
601 Surgery: Kinesitherapy 0 1 1 2 3 7
092 Expansible Chamber Devices 2 3 0 1 0 6
100 Presses 1 1 2 1 1 6
125 Stone Working 1 0 2 1 2 6
236 Automatic Temperature and Humidity Regulation 0 3 1 0 2 6
249 Static Molds 0 2 3 1 0 6
277 Seal for a Joint or Juncture 0 1 1 2 2 6
283 Printed Matter 2 1 1 2 0 6
323 Electricity: Power Supply or Regulation Systems 1 2 1 1 1 6
386 Television Signal Processing for Dynamic Recording or Reproducing 0 3 2 1 0 6
396 Photography 1 0 3 0 2 6
399 Electrophotography 0 0 0 3 3 6
416 Fluid Reaction Surfaces (i.e., Impellers) 2 1 1 1 1 6
504 Plant Protecting and Regulating Compositions 0 0 2 2 2 6
505 Superconductor Technology: Apparatus, Material, Process 1 2 0 2 1 6
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 2 1 2 1 0 6
007 Compound Hand Tools 2 0 2 1 0 5
049 Movable or Removable Closures 0 2 0 1 2 5
096 Gas Separation: Apparatus 0 1 2 1 1 5
104 Railways 0 1 3 0 1 5
192 Clutches and Power-Stop Control 2 0 0 1 2 5
221 Article Dispensing 3 1 0 1 0 5
336 Inductor Devices 0 1 2 2 0 5
353 Optics: Image Projectors 1 1 0 2 1 5
360 Dynamic Magnetic Information Storage or Retrieval 0 2 2 0 1 5
369 Dynamic Information Storage or Retrieval 0 2 0 2 1 5
374 Thermal Measuring and Testing 1 0 2 1 1 5
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 1 2 0 1 5
054 Harness (for animals) 0 0 2 1 1 4
065 Glass Manufacturing 0 2 2 0 0 4
172 Earth Working 1 0 1 2 0 4
202 Distillation: Apparatus 1 1 0 0 2 4
215 Bottles and Jars 1 2 0 1 0 4
256 Fences 0 0 1 1 2 4
266 Metallurgical Apparatus 1 0 3 0 0 4
333 Wave Transmission Lines and Networks 0 2 0 0 2 4
349 Liquid Crystal Cells, Elements and Systems 0 0 1 0 3 4
352 Optics: Motion Pictures 0 0 1 2 1 4
368 Horology: Time Measuring Systems or Devices 2 0 0 0 2 4
401 Coating Implements with Material Supply 0 0 1 1 2 4
415 Rotary Kinetic Fluid Motors or Pumps 1 2 0 0 1 4
431 Combustion 2 1 0 1 0 4
501 Compositions: Ceramic 1 0 3 0 0 4
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 1 1 1 0 4
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 2 0 3
027 Undertaking 0 1 1 1 0 3
037 Excavating 2 1 0 0 0 3
051 Abrasive Tool Making Process, Material, or Composition 1 2 0 0 0 3
071 Chemistry: Fertilizers 1 0 0 0 2 3
116 Signals and Indicators 2 0 1 0 0 3
127 Sugar, Starch, and Carbohydrates 0 0 0 3 0 3
139 Textiles: Weaving 0 1 2 0 0 3
152 Resilient Tires and Wheels 0 0 0 1 2 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 2 1 0 0 3
184 Lubrication 1 1 0 0 1 3
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 2 1 0 0 0 3
225 Severing by Tearing or Breaking 0 1 1 0 1 3
238 Railways: Surface Track 0 0 0 1 2 3
267 Spring Devices 0 0 0 1 2 3
303 Fluid-Pressure and Analogous Brake Systems 1 0 0 1 1 3
305 Wheel Substitutes for Land Vehicles 0 0 2 0 1 3
326 Electronic Digital Logic Circuitry 1 0 1 0 1 3
355 Photocopying 0 0 0 3 0 3
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 1 1 1 3
407 Cutters, for Shaping 0 1 0 0 2 3
409 Gear Cutting, Milling, or Planing 0 0 1 1 1 3
412 Bookbinding: Process and Apparatus 1 1 0 1 0 3
419 Powder Metallurgy Processes 1 0 1 1 0 3
474 Endless Belt Power Transmission Systems or Components 0 0 1 0 2 3
475 Planetary Gear Transmission Systems or Components 0 1 0 2 0 3
483 Tool Changing 0 2 0 1 0 3
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 1 0 1 0 3
012 Boot and Shoe Making 1 0 1 0 0 2
057 Textiles: Spinning, Twisting, and Twining 0 1 1 0 0 2
063 Jewelry 0 1 1 0 0 2
076 Metal Tools and Implements, Making 1 1 0 0 0 2
082 Turning (e.g., for metal working) 0 0 2 0 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 2 0 2
091 Motors: Expansible Chamber Type 0 0 2 0 0 2
160 Flexible or Portable Closure, Partition, or Panel 1 0 0 1 0 2
173 Tool Driving or Impacting 0 0 2 0 0 2
178 Telegraphy 1 0 1 0 0 2
186 Merchandising 0 0 1 0 1 2
190 Trunks and Hand-Carried Luggage 1 0 1 0 0 2
208 Mineral Oils: Processes and Products 2 0 0 0 0 2
212 Traversing Hoists 0 2 0 0 0 2
227 Elongated-Member-Driving Apparatus 0 1 1 0 0 2
232 Deposit and Collection Receptacles 0 0 1 1 0 2
281 Books, Strips, and Leaves 1 0 1 0 0 2
289 Knots and Knot Tying 0 1 1 0 0 2
290 Prime-Mover Dynamo Plants 0 0 1 1 0 2
301 Land Vehicles: Wheels and Axles 1 1 0 0 0 2
332 Modulators 0 1 0 0 1 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 0 2 2
338 Electrical Resistors 1 1 0 0 0 2
373 Industrial Electric Heating Furnaces 0 0 0 0 2 2
378 X-Ray or Gamma Ray Systems or Devices 1 0 0 0 1 2
406 Conveyors: Fluid Current 1 0 0 0 1 2
432 Heating 0 0 0 1 1 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 0 0 0 0 2
450 Foundation Garments 0 1 0 0 1 2
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 0 0 0 0 2
001 ** Classification Undetermined ** 0 0 0 1 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
038 Textiles: Ironing or Smoothing 0 0 0 0 1 1
059 Chain, Staple, and Horseshoe Making 0 0 0 0 1 1
086 Ammunition and Explosive-Charge Making 0 1 0 0 0 1
102 Ammunition and Explosives 0 0 1 0 0 1
105 Railway Rolling Stock 1 0 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 1 0 0 1
112 Sewing 1 0 0 0 0 1
140 Wireworking 0 0 0 1 0 1
168 Farriery 0 0 0 0 1 1
201 Distillation: Processes, Thermolytic 0 0 1 0 0 1
203 Distillation: Processes, Separatory 0 0 1 0 0 1
223 Apparel Apparatus 0 0 0 0 1 1
226 Advancing Material of Indeterminate Length 0 0 1 0 0 1
246 Railway Switches and Signals 0 0 1 0 0 1
261 Gas and Liquid Contact Apparatus 0 0 0 1 0 1
279 Chucks or Sockets 0 0 0 0 1 1
293 Vehicle Fenders 0 0 0 0 1 1
322 Electricity: Single Generator Systems 0 0 0 0 1 1
384 Bearings 0 0 0 1 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
392 Electric Resistance Heating Devices 0 0 1 0 0 1
418 Rotary Expansible Chamber Devices 1 0 0 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 0 1 1
453 Coin Handling 0 0 1 0 0 1
472 Amusement Devices 0 1 0 0 0 1
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 1 1
ALL ALL CLASSES 1142 1350 1774 1826 1821 7913



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 30, 2001