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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2006 - 2010 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

MASSACHUSETTS

( 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 2006 2007 2008 2009 2010 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 267 259 268 287 399 1480
435 Chemistry: Molecular Biology and Microbiology 196 178 144 159 188 865
370 Multiplex Communications 150 83 118 160 224 735
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 122 114 113 106 175 630
250 Radiant Energy 122 74 113 136 132 577
707 DP: Database and File Management or Data Structures (Data Processing) 109 79 80 123 169 560
532 Organic Compounds (includes Classes 532-570) 103 63 77 88 96 427
128 Surgery (includes Class 600) 93 64 50 63 139 409
711 Memory (Electrical Computers and Digital Processing Systems) 59 69 87 82 92 389
606 Surgery (instruments) 76 66 48 60 135 385
455 Telecommunications 64 59 42 71 76 312
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 39 38 49 50 122 298
714 Error Detection/Correction and Fault Detection/Recovery 53 65 55 48 73 294
382 Image Analysis 54 55 56 49 75 289
604 Surgery (Medicators and Receptors) 50 45 39 46 99 279
385 Optical Waveguides 64 75 52 42 33 266
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 60 42 58 43 59 262
345 Computer Graphics Processing and Selective Visual Display Systems 69 48 33 47 56 253
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 64 55 38 46 50 253
073 Measuring and Testing 60 48 49 42 41 240
359 Optical: Systems and Elements 48 54 44 41 53 240
375 Pulse or Digital Communications 36 49 53 41 61 240
702 DP: Measuring, Calibrating, or Testing (Data Processing) 54 37 56 37 51 235
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 42 34 46 43 66 231
438 Semiconductor Device Manufacturing: Process 45 50 46 40 48 229
473 Games Using Tangible Projectile 46 50 43 46 35 220
713 Support (Electrical Computers and Digital Processing Systems) 43 33 49 35 56 216
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 39 47 34 43 43 206
356 Optics: Measuring and Testing 27 39 43 46 51 206
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 53 33 27 35 51 199
324 Electricity: Measuring and Testing 40 31 51 43 31 196
717 DP: Software Development, Installation, and Management (Data Processing) 29 28 30 41 66 194
710 Input/Output (Electrical Computers and Digital Processing Systems) 39 32 38 32 35 176
340 Communications: Electrical 37 30 35 32 41 175
210 Liquid Purification or Separation 34 28 29 36 46 173
726 Information Security 20 19 27 34 58 158
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 23 18 21 43 46 151
428 Stock Material or Miscellaneous Articles 30 32 24 28 32 146
378 X-Ray or Gamma Ray Systems or Devices 33 20 26 30 34 143
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 32 26 22 31 31 142
315 Electric Lamp and Discharge Devices: Systems 31 24 26 22 23 126
700 DP: Generic Control Systems or Specific Applications (Data Processing) 28 27 25 17 27 124
439 Electrical Connectors 32 26 22 23 20 123
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 13 16 21 29 41 120
361 Electricity: Electrical Systems and Devices 22 22 25 27 23 119
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 25 26 21 17 28 117
362 Illumination 10 28 14 26 31 109
436 Chemistry: Analytical and Immunological Testing 15 15 20 22 37 109
379 Telephonic Communications 35 29 14 9 19 106
341 Coded Data Generation or Conversion 24 21 20 15 14 94
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 20 15 15 14 26 90
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 12 18 16 14 29 89
360 Dynamic Magnetic Information Storage or Retrieval 15 20 17 19 17 88
036 Boots, Shoes, and Leggings 19 11 22 19 16 87
706 DP: Artificial Intelligence (Data Processing) 14 13 14 23 23 87
607 Surgery: Light, Thermal, and Electrical Application 19 19 14 15 18 85
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 21 11 12 14 25 83
310 Electrical Generator or Motor Structure 12 14 13 23 20 82
427 Coating Processes 14 15 13 16 21 79
174 Electricity: Conductors and Insulators 19 18 18 11 11 77
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 18 15 10 19 15 77
348 Television 20 14 13 11 18 76
330 Amplifiers 15 11 8 16 25 75
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 15 12 16 16 16 75
372 Coherent Light Generators 15 10 12 18 20 75
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 19 11 14 15 13 72
313 Electric Lamp and Discharge Devices 17 16 14 8 16 71
219 Electric Heating 21 14 5 12 18 70
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 23 10 9 11 16 69
380 Cryptography 8 13 10 21 14 66
381 Electrical Audio Signal Processing Systems and Devices 10 13 14 15 14 66
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 11 11 12 14 17 65
123 Internal-Combustion Engines 15 13 16 6 14 64
398 Optical Communications 14 9 14 16 10 63
333 Wave Transmission Lines and Networks 15 12 6 10 18 61
204 Chemistry: Electrical and Wave Energy 9 10 13 10 18 60
060 Power Plants 17 8 9 10 11 55
343 Communications: Radio Wave Antennas 11 13 13 8 10 55
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 10 8 10 14 13 55
029 Metal Working 16 12 8 4 14 54
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 13 10 6 6 16 51
367 Communications, Electrical: Acoustic Wave Systems and Devices 3 12 11 13 12 51
423 Chemistry of Inorganic Compounds 11 8 9 10 13 51
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 12 9 7 11 12 51
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 7 9 9 8 17 50
280 Land Vehicles 14 11 5 6 12 48
307 Electrical Transmission or Interconnection Systems 8 8 5 15 12 48
708 Arithmetic Processing and Calculating (Electrical Computers) 18 8 12 5 5 48
206 Special Receptacle or Package 12 11 8 8 8 47
005 Beds 11 7 6 9 10 43
052 Static Structures (e.g., Buildings) 8 5 6 9 15 43
084 Music 6 5 11 11 10 43
358 Facsimile and Static Presentation Processing 14 8 7 8 6 43
062 Refrigeration 11 9 11 2 9 42
347 Incremental Printing of Symbolic Information 8 7 16 2 8 41
137 Fluid Handling 14 7 2 6 10 39
363 Electric Power Conversion Systems 7 8 6 13 4 38
252 Compositions 9 5 6 7 9 36
273 Amusement Devices: Games 4 12 10 7 3 36
351 Optics: Eye Examining, Vision Testing and Correcting 5 3 17 3 8 36
002 Apparel 8 2 5 6 13 34
248 Supports (e.g., for holding articles, etc.) 5 3 5 12 9 34
318 Electricity: Motive Power Systems 6 11 7 5 5 34
030 Cutlery 9 7 5 3 9 33
114 Ships 6 12 7 4 4 33
365 Static Information Storage and Retrieval 9 9 4 7 4 33
463 Amusement Devices: Games 2 2 7 4 18 33
451 Abrading 7 2 10 7 6 32
482 Exercise Devices 8 5 4 5 10 32
426 Food or Edible Material: Processes, Compositions, and Products 6 7 4 5 9 31
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 7 6 6 4 7 30
290 Prime-Mover Dynamo Plants 3 5 4 14 4 30
326 Electronic Digital Logic Circuitry 4 8 5 2 11 30
042 Firearms 4 5 4 6 10 29
118 Coating Apparatus 7 6 7 2 7 29
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 8 2 7 7 5 29
323 Electricity: Power Supply or Regulation Systems 8 4 9 4 4 29
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 7 7 4 5 28
297 Chairs and Seats 6 2 6 2 11 27
106 Compositions: Coating or Plastic 6 6 1 5 8 26
725 Interactive Video Distribution Systems 5 6 6 0 9 26
222 Dispensing (apparatus and process) 5 5 4 3 8 25
414 Material or Article Handling 4 4 4 5 8 25
417 Pumps 9 6 1 3 6 25
602 Surgery: Splint, Brace, or Bandage 1 3 5 8 8 25
095 Gas Separation: Processes 6 4 7 2 5 24
320 Electricity: Battery or Capacitor Charging or Discharging 3 3 6 2 10 24
331 Oscillators 1 8 6 3 6 24
416 Fluid Reaction Surfaces (i.e., Impellers) 6 6 6 4 2 24
033 Geometrical Instruments 6 6 2 4 5 23
040 Card, Picture, or Sign Exhibiting 4 1 8 3 7 23
119 Animal Husbandry 4 3 8 4 4 23
216 Etching a Substrate: Processes 1 6 7 3 6 23
415 Rotary Kinetic Fluid Motors or Pumps 5 3 5 1 9 23
434 Education and Demonstration 5 4 5 2 7 23
072 Metal Deforming 6 6 4 3 3 22
220 Receptacles 3 4 1 6 8 22
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 2 3 2 8 7 22
180 Motor Vehicles 3 1 5 5 7 21
241 Solid Material Comminution or Disintegration 2 5 2 5 7 21
015 Brushing, Scrubbing, and General Cleaning 1 3 8 4 4 20
053 Package Making 7 3 7 2 1 20
136 Batteries: Thermoelectric and Photoelectric 0 5 3 3 9 20
239 Fluid Sprinkling, Spraying, and Diffusing 6 5 1 4 4 20
244 Aeronautics and Astronautics 5 4 5 1 5 20
251 Valves and Valve Actuation 5 4 5 0 5 19
294 Handling: Hand and Hoist-Line Implements 3 6 4 3 3 19
296 Land Vehicles: Bodies and Tops 5 3 4 1 6 19
336 Inductor Devices 6 4 4 2 3 19
101 Printing 8 2 4 0 4 18
160 Flexible or Portable Closure, Partition, or Panel 8 3 0 4 3 18
162 Paper Making and Fiber Liberation 6 4 1 3 4 18
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 3 1 2 2 10 18
353 Optics: Image Projectors 6 3 2 4 2 17
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 2 4 5 5 1 17
102 Ammunition and Explosives 5 1 2 5 3 16
211 Supports: Racks 5 6 2 1 2 16
227 Elongated-Member-Driving Apparatus 1 1 2 6 6 16
349 Liquid Crystal Cells, Elements and Systems 1 2 3 4 6 16
396 Photography 0 1 3 4 8 16
494 Imperforate Bowl: Centrifugal Separators 6 1 3 3 3 16
601 Surgery: Kinesitherapy 0 3 4 5 4 16
242 Winding, Tensioning, or Guiding 8 3 2 2 0 15
374 Thermal Measuring and Testing 5 3 3 1 3 15
433 Dentistry 4 3 4 2 2 15
024 Buckles, Buttons, Clasps, Etc. 5 4 2 2 1 14
055 Gas Separation 2 3 1 5 3 14
181 Acoustics 2 1 1 8 2 14
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 4 3 1 1 5 14
369 Dynamic Information Storage or Retrieval 2 1 6 1 4 14
099 Foods and Beverages: Apparatus 1 3 2 4 3 13
165 Heat Exchange 3 6 3 0 1 13
501 Compositions: Ceramic 4 2 1 1 5 13
083 Cutting 3 0 3 3 3 12
224 Package and Article Carriers 1 5 0 3 3 12
277 Seal for a Joint or Juncture 2 2 0 3 5 12
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 4 2 0 4 12
440 Marine Propulsion 3 3 2 2 2 12
454 Ventilation 3 2 0 2 5 12
004 Baths, Closets, Sinks, and Spittoons 3 2 1 2 3 11
048 Gas: Heating and Illuminating 3 2 4 2 0 11
126 Stoves and Furnaces 2 1 3 0 5 11
285 Pipe Joints or Couplings 3 1 4 1 2 11
089 Ordnance 0 1 5 2 2 10
148 Metal Treatment 2 2 1 3 2 10
228 Metal Fusion Bonding 2 3 2 2 1 10
261 Gas and Liquid Contact Apparatus 2 1 5 0 2 10
366 Agitating (e.g., of articles and materials) 0 3 3 1 3 10
368 Horology: Time Measuring Systems or Devices 4 4 0 1 1 10
392 Electric Resistance Heating Devices 3 5 0 1 1 10
028 Textiles: Manufacturing 1 5 1 1 1 9
034 Drying and Gas or Vapor Contact with Solids 4 2 3 0 0 9
049 Movable or Removable Closures 4 1 1 2 1 9
081 Tools 4 1 0 1 3 9
134 Cleaning and Liquid Contact with Solids 1 3 1 3 1 9
169 Fire Extinguishers 2 2 2 0 3 9
221 Article Dispensing 3 1 2 2 1 9
405 Hydraulic and Earth Engineering 3 2 2 2 0 9
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 4 0 2 1 9
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 2 1 2 4 9
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 2 3 1 1 9
016 Miscellaneous Hardware 3 1 0 3 1 8
037 Excavating 2 2 2 0 2 8
043 Fishing, Trapping, and Vermin Destroying 3 1 1 2 1 8
132 Toilet 2 1 2 2 1 8
138 Pipes and Tubular Conduits 2 1 0 3 2 8
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 1 0 1 6 8
200 Electricity: Circuit Makers and Breakers 2 3 1 1 1 8
215 Bottles and Jars 3 1 1 1 2 8
404 Road Structure, Process, or Apparatus 2 0 0 4 2 8
431 Combustion 2 1 3 1 1 8
446 Amusement Devices: Toys 4 1 2 0 1 8
505 Superconductor Technology: Apparatus, Material, Process 1 1 1 2 3 8
585 Chemistry of Hydrocarbon Compounds 0 0 2 1 5 8
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 0 3 1 2 7
182 Fire Escape, Ladder, or Scaffold 3 2 0 2 0 7
198 Conveyors: Power-Driven 1 1 3 0 2 7
254 Implements or Apparatus for Applying Pushing or Pulling Force 1 3 1 1 1 7
312 Supports: Cabinet Structure 0 2 3 1 1 7
355 Photocopying 1 0 3 1 2 7
384 Bearings 2 1 0 0 4 7
386 Motion Video Signal Processing for Recording or Reproducing 2 2 0 2 1 7
407 Cutters, for Shaping 1 2 0 3 1 7
410 Freight Accommodation On Freight Carrier 0 3 0 1 3 7
419 Powder Metallurgy Processes 2 2 1 1 1 7
082 Turning (e.g., for metal working) 1 1 1 2 1 6
096 Gas Separation: Apparatus 2 1 0 3 0 6
110 Furnaces 0 1 2 1 2 6
124 Mechanical Guns and Projectors 1 1 1 1 2 6
139 Textiles: Weaving 1 1 2 2 0 6
175 Boring or Penetrating the Earth 2 1 1 0 2 6
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 2 0 2 1 6
450 Foundation Garments 1 2 2 0 1 6
051 Abrasive Tool Making Process, Material, or Composition 0 0 1 3 1 5
074 Machine Element or Mechanism 0 4 1 0 0 5
076 Metal Tools and Implements, Making 0 2 1 1 1 5
108 Horizontally Supported Planar Surfaces 1 1 1 1 1 5
209 Classifying, Separating, and Assorting Solids 0 4 0 1 0 5
292 Closure Fasteners 1 0 2 2 0 5
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 3 1 1 5
047 Plant Husbandry 1 1 0 1 1 4
063 Jewelry 0 1 1 0 2 4
070 Locks 0 0 2 0 2 4
100 Presses 1 0 1 1 1 4
104 Railways 1 0 2 0 1 4
112 Sewing 2 0 1 1 0 4
135 Tent, Canopy, Umbrella, or Cane 0 1 1 0 2 4
164 Metal Founding 2 1 0 0 1 4
237 Heating Systems 2 1 0 1 0 4
256 Fences 1 1 0 2 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 0 2 2 0 0 4
383 Flexible Bags 0 1 0 2 1 4
418 Rotary Expansible Chamber Devices 0 4 0 0 0 4
475 Planetary Gear Transmission Systems or Components 2 1 0 1 0 4
065 Glass Manufacturing 1 0 0 0 2 3
068 Textiles: Fluid Treating Apparatus 0 1 0 2 0 3
087 Textiles: Braiding, Netting, and Lace Making 0 3 0 0 0 3
092 Expansible Chamber Devices 1 0 1 0 1 3
116 Signals and Indicators 1 2 0 0 0 3
125 Stone Working 1 0 0 1 1 3
150 Purses, Wallets, and Protective Covers 2 1 0 0 0 3
236 Automatic Temperature and Humidity Regulation 0 1 0 1 1 3
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 0 0 1 1 3
399 Electrophotography 0 1 1 1 0 3
401 Coating Implements with Material Supply 2 0 0 1 0 3
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 1 0 0 2 3
441 Buoys, Rafts, and Aquatic Devices 2 1 0 0 0 3
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 0 1 2 0 3
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 1 1 1 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 1 0 0 1 2
054 Harness for Working Animal 0 1 1 0 0 2
057 Textiles: Spinning, Twisting, and Twining 0 0 0 1 1 2
122 Liquid Heaters and Vaporizers 1 0 1 0 0 2
144 Woodworking 0 1 0 0 1 2
152 Resilient Tires and Wheels 1 0 0 0 1 2
177 Weighing Scales 1 0 1 0 0 2
188 Brakes 0 1 0 0 1 2
193 Conveyors, Chutes, Skids, Guides, and Ways 2 0 0 0 0 2
225 Severing by Tearing or Breaking 0 1 0 0 1 2
232 Deposit and Collection Receptacles 0 0 2 0 0 2
267 Spring Devices 1 1 0 0 0 2
271 Sheet Feeding or Delivering 2 0 0 0 0 2
281 Books, Strips, and Leaves 0 0 1 0 1 2
301 Land Vehicles: Wheels and Axles 1 0 0 0 1 2
332 Modulators 0 0 0 0 2 2
338 Electrical Resistors 0 0 1 0 1 2
403 Joints and Connections 1 0 1 0 0 2
406 Conveyors: Fluid Current 0 1 0 1 0 2
409 Gear Cutting, Milling, or Planing 0 0 2 0 0 2
452 Butchering 0 0 2 0 0 2
453 Coin Handling 0 0 0 1 1 2
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 1 0 0 0 1 2
512 Perfume Compositions 1 0 0 1 0 2
001 ** Classification Undetermined ** 0 0 0 0 1 1
007 Compound Hand Tools 1 0 0 0 0 1
012 Boot and Shoe Making 0 1 0 0 0 1
026 Textiles: Cloth Finishing 0 0 0 0 1 1
044 Fuel and Related Compositions 0 0 0 1 0 1
056 Harvesters 1 0 0 0 0 1
066 Textiles: Knitting 0 0 0 0 1 1
091 Motors: Expansible Chamber Type 1 0 0 0 0 1
105 Railway Rolling Stock 0 0 1 0 0 1
131 Tobacco 0 0 0 0 1 1
140 Wireworking 0 0 1 0 0 1
149 Explosive and Thermic Compositions or Charges 0 0 0 1 0 1
159 Concentrating Evaporators 0 0 0 0 1 1
172 Earth Working 0 0 1 0 0 1
173 Tool Driving or Impacting 0 0 0 0 1 1
184 Lubrication 0 0 0 0 1 1
190 Trunks and Hand-Carried Luggage 0 1 0 0 0 1
192 Clutches and Power-Stop Control 0 0 0 1 0 1
208 Mineral Oils: Processes and Products 0 1 0 0 0 1
212 Traversing Hoists 0 0 1 0 0 1
213 Railway Draft Appliances 1 0 0 0 0 1
223 Apparel Apparatus 0 0 0 1 0 1
229 Envelopes, Wrappers, and Paperboard Boxes 0 1 0 0 0 1
246 Railway Switches and Signals 1 0 0 0 0 1
249 Static Molds 1 0 0 0 0 1
269 Work Holders 0 1 0 0 0 1
270 Sheet-Material Associating 0 0 0 1 0 1
279 Chucks or Sockets 0 0 1 0 0 1
283 Printed Matter 0 0 1 0 0 1
305 Wheel Substitutes for Land Vehicles 0 0 1 0 0 1
322 Electricity: Single Generator Systems 1 0 0 0 0 1
329 Demodulators 0 0 1 0 0 1
352 Optics: Motion Pictures 1 0 0 0 0 1
400 Typewriting Machines 1 0 0 0 0 1
408 Cutting by Use of Rotating Axially Moving Tool 0 0 0 1 0 1
412 Bookbinding: Process and Apparatus 0 0 0 0 1 1
420 Alloys or Metallic Compositions 0 0 1 0 0 1
472 Amusement Devices 0 0 1 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 1 0 0 1
504 Plant Protecting and Regulating Compositions 0 1 0 0 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 0 1 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 1 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 1 1
720 Dynamic Optical Information Storage or Retrieval 0 0 1 0 0 1
ALL ALL CLASSES 4011 3510 3516 3696 4923 19656


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Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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