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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

MINNESOTA

( 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
607 Surgery: Light, Thermal, and Electrical Application 113 130 197 222 150 812
128 Surgery (includes Class 600) 103 91 127 109 77 507
360 Dynamic Magnetic Information Storage or Retrieval 163 75 136 64 60 498
428 Stock Material or Miscellaneous Articles 98 92 69 40 50 349
606 Surgery (instruments) 67 50 60 73 48 298
707 DP: Database and File Management or Data Structures (Data Processing) 40 37 76 47 62 262
385 Optical Waveguides 46 47 39 53 72 257
711 Memory (Electrical Computers and Digital Processing Systems) 47 48 56 52 47 250
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 67 44 51 41 40 243
604 Surgery (Medicators and Receptors) 70 45 49 37 39 240
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 47 38 39 60 56 240
073 Measuring and Testing 44 47 50 48 48 237
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 71 38 61 40 25 235
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 55 36 46 33 36 206
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 27 25 63 46 31 192
439 Electrical Connectors 32 38 40 39 39 188
340 Communications: Electrical 31 37 46 26 44 184
714 Error Detection/Correction and Fault Detection/Recovery 32 24 39 41 47 183
361 Electricity: Electrical Systems and Devices 24 23 27 34 51 159
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 32 24 27 31 43 157
710 Input/Output (Electrical Computers and Digital Processing Systems) 28 21 44 26 30 149
370 Multiplex Communications 13 12 33 22 53 133
702 DP: Measuring, Calibrating, or Testing (Data Processing) 29 30 27 19 26 131
324 Electricity: Measuring and Testing 27 24 29 30 20 130
359 Optical: Systems and Elements 25 24 33 24 24 130
029 Metal Working 26 19 34 24 21 124
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 19 20 21 27 28 115
356 Optics: Measuring and Testing 22 14 31 22 23 112
426 Food or Edible Material: Processes, Compositions, and Products 33 19 23 16 20 111
435 Chemistry: Molecular Biology and Microbiology 20 17 26 24 24 111
365 Static Information Storage and Retrieval 16 22 23 24 24 109
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 35 19 22 15 17 108
451 Abrading 29 20 19 23 15 106
717 DP: Software Development, Installation, and Management (Data Processing) 15 20 34 20 17 106
362 Illumination 12 18 21 27 20 98
052 Static Structures (e.g., Buildings) 23 24 21 13 13 94
700 DP: Generic Control Systems or Specific Applications (Data Processing) 28 13 20 13 20 94
438 Semiconductor Device Manufacturing: Process 19 16 9 25 23 92
713 Support (Electrical Computers and Digital Processing Systems) 6 17 23 17 25 88
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 23 19 19 19 7 87
532 Organic Compounds (includes Classes 532-570) 19 20 18 14 16 87
280 Land Vehicles 18 16 15 21 16 86
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 15 21 17 19 13 85
206 Special Receptacle or Package 17 35 10 8 14 84
427 Coating Processes 30 16 14 15 9 84
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 5 11 14 22 29 81
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 12 9 14 19 25 79
055 Gas Separation 9 14 15 18 22 78
382 Image Analysis 15 12 24 12 13 76
210 Liquid Purification or Separation 10 17 13 17 17 74
250 Radiant Energy 10 15 17 12 19 73
248 Supports (e.g., for holding articles, etc.) 8 11 18 19 15 71
180 Motor Vehicles 8 19 23 6 13 69
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 15 7 13 16 17 68
137 Fluid Handling 15 13 12 10 16 66
455 Telecommunications 8 10 21 10 16 65
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 13 10 14 15 13 65
174 Electricity: Conductors and Insulators 12 11 16 15 9 63
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 16 9 10 17 11 63
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 16 11 14 12 10 63
345 Computer Graphics Processing and Selective Visual Display Systems 11 11 15 13 11 61
114 Ships 9 16 14 12 9 60
219 Electric Heating 14 13 8 9 9 53
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 12 9 13 7 12 53
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 13 10 8 15 5 51
414 Material or Article Handling 10 11 10 8 10 49
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 17 10 7 3 11 48
473 Games Using Tangible Projectile 6 12 9 10 9 46
062 Refrigeration 12 6 9 9 9 45
372 Coherent Light Generators 10 14 11 5 5 45
379 Telephonic Communications 13 7 10 7 8 45
239 Fluid Sprinkling, Spraying, and Diffusing 9 9 14 6 6 44
347 Incremental Printing of Symbolic Information 19 9 5 5 6 44
482 Exercise Devices 4 5 13 5 17 44
043 Fishing, Trapping, and Vermin Destroying 8 12 8 12 3 43
602 Surgery: Splint, Brace, or Bandage 6 16 12 2 7 43
375 Pulse or Digital Communications 6 7 6 10 13 42
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 6 4 10 11 10 41
095 Gas Separation: Processes 12 8 10 3 7 40
326 Electronic Digital Logic Circuitry 6 8 4 11 11 40
015 Brushing, Scrubbing, and General Cleaning 7 8 13 5 6 39
119 Animal Husbandry 7 9 7 4 12 39
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 5 6 8 10 9 38
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 13 3 10 5 7 38
297 Chairs and Seats 9 6 11 2 8 36
198 Conveyors: Power-Driven 4 5 10 9 7 35
405 Hydraulic and Earth Engineering 5 9 10 3 8 35
252 Compositions 5 7 9 7 6 34
381 Electrical Audio Signal Processing Systems and Devices 10 1 4 9 10 34
040 Card, Picture, or Sign Exhibiting 7 4 3 11 8 33
436 Chemistry: Analytical and Immunological Testing 10 9 2 7 5 33
033 Geometrical Instruments 4 8 8 6 6 32
404 Road Structure, Process, or Apparatus 9 10 4 3 6 32
318 Electricity: Motive Power Systems 4 13 9 2 3 31
053 Package Making 4 7 6 4 9 30
134 Cleaning and Liquid Contact with Solids 7 6 7 8 2 30
222 Dispensing (apparatus and process) 10 8 2 5 5 30
417 Pumps 10 7 11 1 1 30
051 Abrasive Tool Making Process, Material, or Composition 8 5 1 11 4 29
211 Supports: Racks 10 4 5 7 3 29
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 7 6 5 6 5 29
005 Beds 5 7 6 6 4 28
060 Power Plants 8 2 5 6 7 28
172 Earth Working 5 2 10 6 5 28
358 Facsimile and Static Presentation Processing 3 6 8 5 6 28
056 Harvesters 5 4 8 2 8 27
123 Internal-Combustion Engines 3 8 6 4 5 26
726 Information Security 5 3 3 10 5 26
072 Metal Deforming 1 5 9 7 3 25
118 Coating Apparatus 5 5 7 5 3 25
182 Fire Escape, Ladder, or Scaffold 6 7 4 6 2 25
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 2 4 8 6 25
296 Land Vehicles: Bodies and Tops 4 4 9 1 6 24
343 Communications: Radio Wave Antennas 6 4 4 4 6 24
200 Electricity: Circuit Makers and Breakers 9 5 5 4 0 23
251 Valves and Valve Actuation 4 7 7 1 4 23
434 Education and Demonstration 2 8 3 7 3 23
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 2 6 4 0 11 23
024 Buckles, Buttons, Clasps, Etc. 6 5 3 6 2 22
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 4 4 8 4 2 22
216 Etching a Substrate: Processes 8 3 4 2 5 22
331 Oscillators 4 3 5 3 7 22
398 Optical Communications 1 4 10 3 4 22
106 Compositions: Coating or Plastic 4 3 8 3 3 21
341 Coded Data Generation or Conversion 2 5 7 3 4 21
433 Dentistry 3 3 5 6 4 21
002 Apparel 5 6 4 3 2 20
165 Heat Exchange 3 4 8 2 3 20
273 Amusement Devices: Games 4 3 4 4 5 20
348 Television 4 3 3 3 7 20
366 Agitating (e.g., of articles and materials) 4 2 2 6 6 20
401 Coating Implements with Material Supply 5 3 5 4 3 20
601 Surgery: Kinesitherapy 5 6 2 1 6 20
204 Chemistry: Electrical and Wave Energy 6 4 1 5 3 19
220 Receptacles 6 5 1 4 3 19
242 Winding, Tensioning, or Guiding 6 3 2 6 2 19
310 Electrical Generator or Motor Structure 4 7 2 4 2 19
400 Typewriting Machines 5 5 4 2 3 19
102 Ammunition and Explosives 3 2 4 5 4 18
313 Electric Lamp and Discharge Devices 2 3 4 6 3 18
349 Liquid Crystal Cells, Elements and Systems 1 2 7 3 5 18
399 Electrophotography 2 4 8 2 2 18
126 Stoves and Furnaces 6 3 1 4 3 17
221 Article Dispensing 3 4 6 2 2 17
236 Automatic Temperature and Humidity Regulation 2 5 4 5 1 17
330 Amplifiers 2 5 3 2 5 17
374 Thermal Measuring and Testing 1 5 6 2 3 17
706 DP: Artificial Intelligence (Data Processing) 2 1 5 2 7 17
096 Gas Separation: Apparatus 3 3 3 4 3 16
285 Pipe Joints or Couplings 2 4 3 2 5 16
333 Wave Transmission Lines and Networks 7 2 3 2 2 16
725 Interactive Video Distribution Systems 5 3 3 3 2 16
034 Drying and Gas or Vapor Contact with Solids 2 3 5 2 3 15
089 Ordnance 6 3 2 3 1 15
307 Electrical Transmission or Interconnection Systems 4 1 4 2 4 15
353 Optics: Image Projectors 3 3 2 4 3 15
369 Dynamic Information Storage or Retrieval 4 1 4 1 5 15
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 5 3 1 2 3 14
081 Tools 5 2 4 3 0 14
101 Printing 7 1 0 3 3 14
125 Stone Working 3 4 6 0 1 14
271 Sheet Feeding or Delivering 2 5 3 2 2 14
351 Optics: Eye Examining, Vision Testing and Correcting 1 3 5 1 4 14
431 Combustion 1 4 2 5 2 14
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 4 1 1 1 7 14
708 Arithmetic Processing and Calculating (Electrical Computers) 3 3 4 2 2 14
030 Cutlery 3 3 4 3 0 13
070 Locks 2 0 1 7 3 13
164 Metal Founding 3 4 3 3 0 13
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 3 2 3 3 2 13
228 Metal Fusion Bonding 7 3 3 0 0 13
244 Aeronautics and Astronautics 3 2 4 1 3 13
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 2 2 3 2 13
403 Joints and Connections 7 1 4 1 0 13
446 Amusement Devices: Toys 3 1 5 3 1 13
720 Dynamic Optical Information Storage or Retrieval 4 2 3 2 2 13
192 Clutches and Power-Stop Control 4 1 3 3 1 12
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 3 4 1 3 12
396 Photography 3 2 1 4 2 12
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 4 3 2 2 12
463 Amusement Devices: Games 2 3 2 2 3 12
474 Endless Belt Power Transmission Systems or Components 2 3 4 2 1 12
037 Excavating 2 2 2 3 2 11
049 Movable or Removable Closures 4 2 2 1 2 11
083 Cutting 4 1 2 4 0 11
100 Presses 0 4 3 1 3 11
160 Flexible or Portable Closure, Partition, or Panel 2 3 0 6 0 11
188 Brakes 1 3 4 1 2 11
241 Solid Material Comminution or Disintegration 0 1 3 5 2 11
294 Handling: Hand and Hoist-Line Implements 0 1 3 1 6 11
323 Electricity: Power Supply or Regulation Systems 2 2 1 3 3 11
336 Inductor Devices 2 3 5 1 0 11
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 5 2 2 0 2 11
092 Expansible Chamber Devices 4 2 0 0 4 10
116 Signals and Indicators 2 4 2 2 0 10
138 Pipes and Tubular Conduits 2 5 0 1 2 10
177 Weighing Scales 4 0 2 1 3 10
292 Closure Fasteners 0 3 3 1 3 10
440 Marine Propulsion 2 1 4 1 2 10
501 Compositions: Ceramic 1 1 4 3 1 10
042 Firearms 5 2 1 0 1 9
084 Music 2 1 4 1 1 9
132 Toilet 0 2 3 0 4 9
169 Fire Extinguishers 2 1 1 1 4 9
181 Acoustics 3 2 0 3 1 9
277 Seal for a Joint or Juncture 2 1 4 1 1 9
315 Electric Lamp and Discharge Devices: Systems 2 2 3 2 0 9
338 Electrical Resistors 1 2 5 1 0 9
380 Cryptography 3 0 0 2 4 9
423 Chemistry of Inorganic Compounds 0 2 0 5 2 9
452 Butchering 3 1 1 1 3 9
475 Planetary Gear Transmission Systems or Components 0 3 2 2 2 9
209 Classifying, Separating, and Assorting Solids 0 4 0 2 2 8
224 Package and Article Carriers 3 1 3 1 0 8
256 Fences 1 4 0 0 3 8
392 Electric Resistance Heating Devices 2 2 2 1 1 8
441 Buoys, Rafts, and Aquatic Devices 0 1 5 2 0 8
454 Ventilation 4 1 3 0 0 8
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 5 0 0 0 2 7
104 Railways 2 1 0 1 3 7
108 Horizontally Supported Planar Surfaces 4 0 1 2 0 7
122 Liquid Heaters and Vaporizers 2 3 0 0 2 7
144 Woodworking 1 0 1 2 3 7
237 Heating Systems 4 3 0 0 0 7
312 Supports: Cabinet Structure 2 2 2 0 1 7
363 Electric Power Conversion Systems 0 3 2 1 1 7
367 Communications, Electrical: Acoustic Wave Systems and Devices 3 1 2 0 1 7
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 0 2 4 0 7
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 2 4 1 7
004 Baths, Closets, Sinks, and Spittoons 1 1 1 2 1 6
036 Boots, Shoes, and Leggings 1 1 1 1 2 6
047 Plant Husbandry 1 4 0 1 0 6
074 Machine Element or Mechanism 0 1 2 1 2 6
099 Foods and Beverages: Apparatus 2 1 2 0 1 6
111 Planting 3 0 1 0 2 6
148 Metal Treatment 3 1 0 0 2 6
261 Gas and Liquid Contact Apparatus 1 0 3 2 0 6
267 Spring Devices 3 0 1 2 0 6
269 Work Holders 1 0 1 3 1 6
283 Printed Matter 3 1 0 2 0 6
320 Electricity: Battery or Capacitor Charging or Discharging 2 2 1 1 0 6
355 Photocopying 2 0 2 0 2 6
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 1 2 0 0 2 5
124 Mechanical Guns and Projectors 1 0 2 1 1 5
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 2 0 1 1 1 5
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 2 0 2 5
290 Prime-Mover Dynamo Plants 0 1 1 2 1 5
368 Horology: Time Measuring Systems or Devices 3 1 1 0 0 5
410 Freight Accommodation On Freight Carrier 3 1 0 1 0 5
418 Rotary Expansible Chamber Devices 3 0 1 1 0 5
477 Interrelated Power Delivery Controls, Including Engine Control 0 2 0 1 2 5
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 1 2 1 1 0 5
065 Glass Manufacturing 0 0 0 4 0 4
135 Tent, Canopy, Umbrella, or Cane 2 0 1 1 0 4
184 Lubrication 4 0 0 0 0 4
249 Static Molds 0 1 1 2 0 4
281 Books, Strips, and Leaves 0 1 1 0 2 4
415 Rotary Kinetic Fluid Motors or Pumps 0 1 0 1 2 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 3 1 0 4
016 Miscellaneous Hardware 1 1 0 1 0 3
063 Jewelry 0 0 2 1 0 3
071 Chemistry: Fertilizers 0 1 1 0 1 3
110 Furnaces 1 0 1 1 0 3
162 Paper Making and Fiber Liberation 0 1 1 0 1 3
215 Bottles and Jars 0 1 1 0 1 3
225 Severing by Tearing or Breaking 1 0 1 0 1 3
298 Land Vehicles: Dumping 0 2 0 0 1 3
301 Land Vehicles: Wheels and Axles 0 1 1 1 0 3
303 Fluid-Pressure and Analogous Brake Systems 0 1 1 1 0 3
305 Wheel Substitutes for Land Vehicles 0 1 0 2 0 3
337 Electricity: Electrothermally or Thermally Actuated Switches 1 2 0 0 0 3
383 Flexible Bags 0 0 1 1 1 3
384 Bearings 0 1 1 1 0 3
407 Cutters, for Shaping 1 0 1 0 1 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 1 1 1 0 3
472 Amusement Devices 0 0 1 1 1 3
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 1 0 1 1 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 2 1 3
007 Compound Hand Tools 0 2 0 0 0 2
026 Textiles: Cloth Finishing 0 1 1 0 0 2
054 Harness for Working Animal 1 0 0 1 0 2
057 Textiles: Spinning, Twisting, and Twining 0 0 2 0 0 2
091 Motors: Expansible Chamber Type 2 0 0 0 0 2
112 Sewing 0 0 1 1 0 2
127 Sugar, Starch, and Carbohydrates 0 1 0 1 0 2
140 Wireworking 0 0 1 0 1 2
159 Concentrating Evaporators 1 1 0 0 0 2
171 Unearthing Plants or Buried Objects 0 0 2 0 0 2
173 Tool Driving or Impacting 0 2 0 0 0 2
227 Elongated-Member-Driving Apparatus 0 0 0 2 0 2
232 Deposit and Collection Receptacles 0 0 1 0 1 2
279 Chucks or Sockets 0 2 0 0 0 2
293 Vehicle Fenders 0 2 0 0 0 2
378 X-Ray or Gamma Ray Systems or Devices 0 0 1 0 1 2
408 Cutting by Use of Rotating Axially Moving Tool 0 0 1 1 0 2
409 Gear Cutting, Milling, or Planing 2 0 0 0 0 2
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 1 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 0 1 2
494 Imperforate Bowl: Centrifugal Separators 1 0 1 0 0 2
507 Earth Boring, Well Treating, and Oil Field Chemistry 1 1 0 0 0 2
585 Chemistry of Hydrocarbon Compounds 0 1 0 1 0 2
014 Bridges 0 1 0 0 0 1
027 Undertaking 0 0 0 1 0 1
048 Gas: Heating and Illuminating 0 0 0 0 1 1
059 Chain, Staple, and Horseshoe Making 0 0 0 1 0 1
082 Turning (e.g., for metal working) 0 1 0 0 0 1
086 Ammunition and Explosive-Charge Making 0 0 0 0 1 1
131 Tobacco 0 0 0 1 0 1
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 1 1
150 Purses, Wallets, and Protective Covers 0 0 0 0 1 1
175 Boring or Penetrating the Earth 0 0 0 0 1 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 1 0 0 1
191 Electricity: Transmission To Vehicles 0 0 1 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 1 0 0 0 0 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 0 0 0 1
223 Apparel Apparatus 1 0 0 0 0 1
226 Advancing Material of Indeterminate Length 0 0 0 1 0 1
266 Metallurgical Apparatus 0 0 0 1 0 1
332 Modulators 0 1 0 0 0 1
352 Optics: Motion Pictures 0 0 1 0 0 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
388 Electricity: Motor Control Systems 0 1 0 0 0 1
406 Conveyors: Fluid Current 0 0 1 0 0 1
420 Alloys or Metallic Compositions 0 0 0 0 1 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 1 0 0 1
450 Foundation Garments 0 1 0 0 0 1
460 Crop Threshing or Separating 0 0 1 0 0 1
492 Roll or Roller 1 0 0 0 0 1
505 Superconductor Technology: Apparatus, Material, Process 1 0 0 0 0 1
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 0 0 1 1
ALL ALL CLASSES 2754 2431 2957 2554 2535 13231


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Questions regarding these reports should be directed to:

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

address of PTMT pages at the USPTO Web Site: http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of selected PTMT reports and materials from : ftp.uspto.gov/pub/taf/


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