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

COLORADO

(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
360 Dynamic Magnetic Information Storage or Retrieval 48 74 89 88 102 401
435 Chemistry: Molecular Biology and Microbiology 51 67 58 50 59 285
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 31 55 44 54 54 238
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 19 51 56 59 46 231
714 Error Detection/Correction and Fault Detection/Recovery 31 49 44 32 38 194
379 Telephonic Communications 19 49 39 33 26 166
370 Multiplex Communications 17 33 33 39 36 158
532 Organic Compounds (includes Classes 532-570) 29 35 28 36 30 158
128 Surgery (includes Class 600) 23 41 39 25 23 151
073 Measuring and Testing 23 30 27 32 34 146
365 Static Information Storage and Retrieval 14 19 36 34 43 146
710 Input/Output (Electrical Computers and Digital Processing Systems) 11 15 37 46 32 141
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 13 45 29 24 29 140
711 Memory (Electrical Computers and Digital Processing Systems) 11 24 26 30 47 138
280 Land Vehicles 13 23 29 26 27 118
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 5 31 20 25 37 118
438 Semiconductor Device Manufacturing: Process 10 13 19 29 42 113
369 Dynamic Information Storage or Retrieval 14 20 16 23 28 101
606 Surgery (instruments) 17 18 14 19 31 99
250 Radiant Energy 12 16 17 17 34 96
439 Electrical Connectors 9 8 21 33 19 90
210 Liquid Purification or Separation 24 19 19 14 12 88
324 Electricity: Measuring and Testing 17 11 18 20 22 88
455 Telecommunications 11 13 19 19 24 86
340 Communications: Electrical 13 14 20 21 17 85
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 12 13 13 18 27 83
375 Pulse or Digital Communications 17 19 16 18 12 82
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 11 16 15 10 29 81
359 Optics: Systems (Including Communication) and Elements 7 13 18 21 21 80
052 Static Structures (e.g., Buildings) 16 20 14 12 15 77
428 Stock Material or Miscellaneous Articles 13 8 18 20 14 73
604 Surgery (Medicators and Receptors) 13 20 13 13 12 71
356 Optics: Measuring and Testing 14 15 21 13 7 70
361 Electricity: Electrical Systems and Devices 8 8 16 18 18 68
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 5 15 18 14 9 61
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 10 11 14 22 61
029 Metal Working 8 14 10 11 16 59
607 Surgery: Light, Thermal, and Electrical Application 8 18 3 13 17 59
382 Image Analysis 5 9 12 10 22 58
427 Coating Processes 14 12 13 12 7 58
002 Apparel 8 10 17 12 9 56
358 Facsimile and Static Presentation Processing 4 9 9 14 14 50
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 6 15 8 11 9 49
713 Support (Electrical Computers and Digital Processing Systems) 4 16 6 14 8 48
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 8 9 8 8 14 47
137 Fluid Handling 4 5 12 12 13 46
242 Winding, Tensioning, or Guiding 6 12 10 7 11 46
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 7 3 10 10 15 45
348 Television 4 9 10 9 13 45
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 12 13 7 6 6 44
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 9 12 9 7 42
206 Special Receptacle or Package 6 5 11 9 10 41
717 DP: Software Development, Installation, and Management (Data Processing) 1 9 12 8 11 41
248 Supports (e.g., for holding articles, etc.) 9 5 6 15 5 40
297 Chairs and Seats 10 7 11 11 1 40
700 DP: Generic Control Systems or Specific Applications (Data Processing) 3 7 11 7 12 40
119 Animal Husbandry 7 8 9 7 8 39
414 Material or Article Handling 11 6 6 9 7 39
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 3 6 6 5 19 39
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 7 7 7 11 38
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 9 10 11 4 38
326 Electronic Digital Logic Circuitry 3 5 11 11 7 37
343 Communications: Radio Wave Antennas 4 7 8 8 10 37
725 Interactive Video Distribution Systems 9 14 7 5 2 37
224 Package and Article Carriers 10 8 4 7 7 36
341 Coded Data Generation or Conversion 4 7 2 6 17 36
473 Games Using Tangible Projectile 12 6 9 3 6 36
072 Metal Deforming 5 12 8 7 3 35
349 Liquid Crystal Cells, Elements and Systems 5 2 10 13 5 35
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 2 14 12 3 4 35
005 Beds 6 7 8 6 7 34
426 Food or Edible Material: Processes, Compositions, and Products 7 2 10 8 7 34
482 Exercise Devices 12 6 6 6 4 34
385 Optical Waveguides 4 4 8 8 9 33
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 4 8 7 6 7 32
211 Supports: Racks 6 7 8 6 5 32
220 Receptacles 5 5 8 7 7 32
372 Coherent Light Generators 5 10 7 5 5 32
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 4 17 3 3 5 32
239 Fluid Sprinkling, Spraying, and Diffusing 1 7 6 10 7 31
160 Flexible or Portable Closure, Partition, or Panel 9 6 6 7 2 30
296 Land Vehicles: Bodies and Tops 5 4 6 4 11 30
362 Illumination 1 5 7 6 11 30
436 Chemistry: Analytical and Immunological Testing 7 4 4 6 9 30
708 Arithmetic Processing and Calculating (Electrical Computers) 5 8 8 3 6 30
123 Internal-Combustion Engines 3 4 4 10 8 29
204 Chemistry: Electrical and Wave Energy 3 5 7 7 5 27
273 Amusement Devices: Games 4 9 5 6 3 27
062 Refrigeration 5 4 6 1 10 26
222 Dispensing (apparatus and process) 5 3 4 6 7 25
244 Aeronautics 2 5 7 6 5 25
381 Electrical Audio Signal Processing Systems and Devices 2 5 4 10 3 24
036 Boots, Shoes, and Leggings 3 5 7 2 6 23
015 Brushing, Scrubbing, and General Cleaning 8 1 5 8 0 22
174 Electricity: Conductors and Insulators 2 3 5 4 8 22
024 Buckles, Buttons, Clasps, Etc. 3 3 4 6 5 21
434 Education and Demonstration 4 5 1 5 6 21
446 Amusement Devices: Toys 3 1 2 8 7 21
030 Cutlery 5 3 2 6 4 20
219 Electric Heating 1 7 3 4 5 20
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 7 5 5 1 2 20
363 Electric Power Conversion Systems 2 3 6 4 5 20
405 Hydraulic and Earth Engineering 4 6 4 5 1 20
433 Dentistry 3 4 6 6 1 20
070 Locks 3 5 4 6 1 19
124 Mechanical Guns and Projectors 6 3 5 2 3 19
331 Oscillators 5 2 4 4 4 19
423 Chemistry of Inorganic Compounds 1 5 3 5 5 19
463 Amusement Devices: Games 0 4 5 3 7 19
084 Music 1 3 6 2 6 18
106 Compositions: Coating or Plastic 4 10 2 0 2 18
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 4 2 3 7 18
252 Compositions 5 2 2 6 3 18
318 Electricity: Motive Power Systems 4 5 2 5 2 18
323 Electricity: Power Supply or Regulation Systems 0 1 7 6 4 18
417 Pumps 4 3 3 4 4 18
494 Imperforate Bowl: Centrifugal Separators 1 4 9 4 0 18
081 Tools 5 3 4 3 2 17
095 Gas Separation: Processes 4 2 5 3 3 17
118 Coating Apparatus 2 3 2 6 4 17
315 Electric Lamp and Discharge Devices: Systems 0 2 3 7 5 17
330 Amplifiers 2 2 2 4 7 17
294 Handling: Hand and Hoist-Line Implements 2 4 5 3 2 16
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 4 3 5 4 0 16
004 Baths, Closets, Sinks, and Spittoons 2 5 4 1 3 15
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1 1 4 5 4 15
283 Printed Matter 0 6 3 3 3 15
307 Electrical Transmission or Interconnection Systems 2 5 2 4 2 15
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 3 4 3 4 15
033 Geometrical Instruments 1 2 3 4 4 14
108 Horizontally Supported Planar Surfaces 3 3 1 5 2 14
126 Stoves and Furnaces 4 1 3 3 3 14
016 Miscellaneous Hardware 1 3 2 6 1 13
043 Fishing, Trapping, and Vermin Destroying 1 2 2 6 2 13
055 Gas Separation 2 6 2 1 2 13
102 Ammunition and Explosives 8 1 0 2 2 13
136 Batteries: Thermoelectric and Photoelectric 1 1 3 1 7 13
198 Conveyors: Power-Driven 2 3 3 1 4 13
229 Envelopes, Wrappers, and Paperboard Boxes 2 4 4 1 2 13
285 Pipe Joints or Couplings 2 3 2 2 4 13
312 Supports: Cabinet Structure 0 1 3 7 2 13
320 Electricity: Battery or Capacitor Charging or Discharging 1 3 1 1 7 13
333 Wave Transmission Lines and Networks 1 2 5 3 2 13
378 X-Ray or Gamma Ray Systems or Devices 2 0 2 4 5 13
451 Abrading 1 0 7 1 4 13
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 4 3 2 1 3 13
060 Power Plants 1 3 2 3 3 12
074 Machine Element or Mechanism 1 4 2 2 3 12
135 Tent, Canopy, Umbrella, or Cane 3 2 2 2 3 12
138 Pipes and Tubular Conduits 2 4 3 2 1 12
165 Heat Exchange 1 6 1 2 2 12
292 Closure Fasteners 5 3 2 2 0 12
347 Incremental Printing of Symbolic Information 0 1 2 3 6 12
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 3 1 6 0 12
706 DP: Artificial Intelligence (Data Processing) 4 4 1 3 0 12
040 Card, Picture, or Sign Exhibiting 1 0 4 4 2 11
083 Cutting 1 2 5 0 3 11
180 Motor Vehicles 2 0 2 4 3 11
034 Drying and Gas or Vapor Contact with Solids 1 1 3 4 1 10
112 Sewing 3 2 1 3 1 10
132 Toilet 0 3 3 4 0 10
134 Cleaning and Liquid Contact with Solids 0 2 2 2 4 10
178 Telegraphy 1 2 7 0 0 10
182 Fire Escape, Ladder, or Scaffold 1 1 2 3 3 10
241 Solid Material Comminution or Disintegration 3 0 2 3 2 10
249 Static Molds 1 1 3 2 3 10
277 Seal for a Joint or Juncture 3 3 1 2 1 10
313 Electric Lamp and Discharge Devices 2 3 0 2 3 10
366 Agitating (e.g., of articles and materials) 2 2 3 1 2 10
408 Cutting by Use of Rotating Axially Moving Tool 1 5 2 0 2 10
454 Ventilation 3 1 3 0 3 10
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 1 4 2 2 10
602 Surgery: Splint, Brace, or Bandage 1 3 2 0 4 10
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 2 3 3 2 10
065 Glass Manufacturing 1 2 2 2 2 9
101 Printing 1 2 3 2 1 9
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 1 4 1 1 9
188 Brakes 1 3 2 1 2 9
209 Classifying, Separating, and Assorting Solids 2 1 1 5 0 9
216 Etching a Substrate: Processes 2 2 2 3 0 9
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 5 2 0 2 0 9
406 Conveyors: Fluid Current 3 1 2 2 1 9
601 Surgery: Kinesitherapy 1 1 1 3 3 9
042 Firearms 2 2 2 1 1 8
099 Foods and Beverages: Apparatus 1 1 2 1 3 8
104 Railways 6 0 0 0 2 8
114 Ships 3 1 2 1 1 8
148 Metal Treatment 1 1 4 1 1 8
301 Land Vehicles: Wheels and Axles 1 3 3 1 0 8
368 Horology: Time Measuring Systems or Devices 1 2 4 0 1 8
380 Cryptography 0 2 2 2 2 8
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 2 2 3 0 8
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 1 1 3 1 8
585 Chemistry of Hydrocarbon Compounds 2 2 2 1 1 8
053 Package Making 1 1 3 1 1 7
125 Stone Working 0 0 2 3 2 7
190 Trunks and Hand-Carried Luggage 1 4 1 0 1 7
215 Bottles and Jars 2 3 1 1 0 7
267 Spring Devices 1 2 1 2 1 7
269 Work Holders 0 3 3 1 0 7
299 Mining or In Situ Disintegration of Hard Material 1 4 0 2 0 7
310 Electrical Generator or Motor Structure 1 1 2 1 2 7
399 Electrophotography 1 4 0 2 0 7
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 2 1 2 0 2 7
472 Amusement Devices 0 2 4 0 1 7
474 Endless Belt Power Transmission Systems or Components 4 1 2 0 0 7
501 Compositions: Ceramic 0 1 3 1 2 7
049 Movable or Removable Closures 1 2 2 1 0 6
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 4 2 0 0 6
162 Paper Making and Fiber Liberation 0 2 1 0 3 6
175 Boring or Penetrating the Earth 0 1 1 2 2 6
228 Metal Fusion Bonding 0 1 0 2 3 6
322 Electricity: Single Generator Systems 0 1 3 2 0 6
374 Thermal Measuring and Testing 1 1 1 3 0 6
383 Flexible Bags 0 1 2 2 1 6
401 Coating Implements with Material Supply 0 0 4 0 2 6
410 Freight Accommodation On Freight Carrier 0 2 1 1 2 6
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 3 1 0 0 6
415 Rotary Kinetic Fluid Motors or Pumps 1 2 0 0 3 6
452 Butchering 1 0 2 2 1 6
505 Superconductor Technology: Apparatus, Material, Process 1 2 1 2 0 6
007 Compound Hand Tools 1 0 1 2 1 5
044 Fuel and Related Compositions 1 1 1 1 1 5
089 Ordnance 0 0 2 0 3 5
116 Signals and Indicators 0 1 2 2 0 5
144 Woodworking 0 1 2 1 1 5
169 Fire Extinguishers 1 1 1 1 1 5
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 2 1 1 1 5
192 Clutches and Power-Stop Control 0 0 1 2 2 5
251 Valves and Valve Actuation 1 3 0 1 0 5
281 Books, Strips, and Leaves 0 1 2 2 0 5
384 Bearings 1 0 0 1 3 5
400 Typewriting Machines 0 1 2 0 2 5
409 Gear Cutting, Milling, or Planing 1 1 1 2 0 5
441 Buoys, Rafts, and Aquatic Devices 2 0 1 0 2 5
507 Earth Boring, Well Treating, and Oil Field Chemistry 2 2 0 1 0 5
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 2 0 1 0 1 4
028 Textiles: Manufacturing 0 2 0 2 0 4
047 Plant Husbandry 0 1 3 0 0 4
056 Harvesters 0 1 3 0 0 4
109 Safes, Bank Protection, or a Related Device 1 1 2 0 0 4
110 Furnaces 0 1 0 0 3 4
172 Earth Working 2 0 0 0 2 4
181 Acoustics 0 2 0 1 1 4
237 Heating Systems 1 0 0 1 2 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 1 1 1 1 4
256 Fences 2 0 0 2 0 4
261 Gas and Liquid Contact Apparatus 0 1 2 1 0 4
271 Sheet Feeding or Delivering 2 0 1 1 0 4
290 Prime-Mover Dynamo Plants 0 0 0 1 3 4
351 Optics: Eye Examining, Vision Testing and Correcting 3 0 0 1 0 4
353 Optics: Image Projectors 0 1 0 0 3 4
386 Television Signal Processing for Dynamic Recording or Reproducing 0 0 1 1 2 4
403 Joints and Connections 0 0 2 1 1 4
420 Alloys or Metallic Compositions 2 1 0 0 1 4
431 Combustion 0 0 1 1 2 4
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 2 1 4
475 Planetary Gear Transmission Systems or Components 1 1 1 0 1 4
504 Plant Protecting and Regulating Compositions 1 2 0 1 0 4
588 Hazardous or Toxic Waste Destruction or Containment 2 1 0 0 1 4
037 Excavating 0 2 0 0 1 3
063 Jewelry 0 0 0 2 1 3
100 Presses 1 1 1 0 0 3
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 0 0 1 1 3
127 Sugar, Starch, and Carbohydrates 0 1 0 1 1 3
140 Wireworking 0 2 1 0 0 3
149 Explosive and Thermic Compositions or Charges 0 2 0 1 0 3
152 Resilient Tires and Wheels 0 2 0 1 0 3
193 Conveyors, Chutes, Skids, Guides, and Ways 1 1 0 0 1 3
208 Mineral Oils: Processes and Products 0 0 2 0 1 3
226 Advancing Material of Indeterminate Length 0 1 1 0 1 3
238 Railways: Surface Track 0 0 1 2 0 3
336 Inductor Devices 0 0 0 1 2 3
355 Photocopying 0 0 0 1 2 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 1 0 1 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 2 3
054 Harness (for animals) 1 0 0 1 0 2
057 Textiles: Spinning, Twisting, and Twining 0 0 1 1 0 2
071 Chemistry: Fertilizers 1 1 0 0 0 2
082 Turning (e.g., for metal working) 1 0 0 1 0 2
086 Ammunition and Explosive-Charge Making 2 0 0 0 0 2
096 Gas Separation: Apparatus 0 1 1 0 0 2
150 Purses, Wallets, and Protective Covers 1 0 0 0 1 2
164 Metal Founding 0 1 0 0 1 2
173 Tool Driving or Impacting 1 0 0 1 0 2
177 Weighing Scales 0 1 0 0 1 2
184 Lubrication 0 1 0 1 0 2
260 Chemistry of Carbon Compounds 1 0 0 0 1 2
329 Demodulators 1 1 0 0 0 2
388 Electricity: Motor Control Systems 1 0 1 0 0 2
392 Electric Resistance Heating Devices 0 1 0 0 1 2
396 Photography 0 0 0 1 1 2
404 Road Structure, Process, or Apparatus 0 0 1 0 1 2
413 Sheet Metal Container Making 0 0 0 2 0 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 0 1 0 1 2
001 ** Classification Undetermined ** 0 1 0 0 0 1
019 Textiles: Fiber Preparation 0 1 0 0 0 1
023 Chemistry: Physical Processes 0 0 0 0 1 1
027 Undertaking 0 0 0 1 0 1
048 Gas: Heating and Illuminating 1 0 0 0 0 1
066 Textiles: Knitting 0 0 0 0 1 1
091 Motors: Expansible Chamber Type 0 1 0 0 0 1
092 Expansible Chamber Devices 0 1 0 0 0 1
105 Railway Rolling Stock 0 0 0 1 0 1
111 Planting 0 0 0 0 1 1
122 Liquid Heaters and Vaporizers 0 0 0 1 0 1
131 Tobacco 0 0 1 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 1 0 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
200 Electricity: Circuit Makers and Breakers 0 0 0 1 0 1
213 Railway Draft Appliances 0 1 0 0 0 1
221 Article Dispensing 0 0 0 0 1 1
223 Apparel Apparatus 0 0 0 0 1 1
225 Severing by Tearing or Breaking 1 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 0 0 0 1 0 1
246 Railway Switches and Signals 0 0 0 1 0 1
289 Knots and Knot Tying 0 0 0 0 1 1
295 Railway Wheels and Axles 0 0 1 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 0 1 0 1
332 Modulators 0 0 1 0 0 1
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 0 1 1
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 0 0 1
338 Electrical Resistors 1 0 0 0 0 1
412 Bookbinding: Process and Apparatus 0 1 0 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 1 0 1
419 Powder Metallurgy Processes 0 1 0 0 0 1
432 Heating 0 0 0 1 0 1
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 0 1 0 1
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 0 0 1 1
450 Foundation Garments 0 0 0 0 1 1
460 Crop Threshing or Separating 0 1 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 1
492 Roll or Roller 0 0 0 1 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
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 1 0 1
ALL ALL CLASSES 1220 1750 1813 1849 1927 8559



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