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

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 2011 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

Grand Rapids-Wyoming, MI

( Metropolitan Statistical Area )

( 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 )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 Total
297 Chairs and Seats 18 15 15 12 10 9 8 11 12 9 11 7 137
052 Static Structures (e.g., Buildings) 23 20 20 13 12 11 5 2 3 4 4 7 124
198 Conveyors: Power-Driven 2 4 5 7 5 11 9 8 8 10 11 8 88
015 Brushing, Scrubbing, and General Cleaning 4 8 7 6 1 6 4 4 3 4 12 12 71
359 Optical: Systems and Elements 1 7 5 7 5 4 5 5 7 3 6 8 63
296 Land Vehicles: Bodies and Tops 8 8 8 6 3 1 5 2 0 1 0 3 45
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 4 4 5 1 2 3 6 1 5 3 6 5 45
356 Optics: Measuring and Testing 2 3 3 2 2 2 5 5 4 7 3 2 40
123 Internal-Combustion Engines 5 0 4 6 4 0 5 4 5 2 4 0 39
248 Supports (e.g., for holding articles, etc.) 2 8 7 2 0 7 4 2 0 0 3 3 38
108 Horizontally Supported Planar Surfaces 3 5 6 7 1 2 2 2 2 0 3 3 36
362 Illumination 3 5 0 2 1 3 2 3 2 1 5 2 29
604 Surgery (Medicators and Receptors) 7 4 4 4 1 2 0 1 1 1 1 2 28
239 Fluid Sprinkling, Spraying, and Diffusing 4 4 0 2 7 2 1 1 0 0 2 3 26
439 Electrical Connectors 5 1 3 0 0 1 0 3 3 5 2 3 26
128 Surgery (includes Class 600) 3 3 2 4 3 0 1 2 0 3 2 1 24
169 Fire Extinguishers 2 1 2 2 1 2 3 2 3 3 2 1 24
312 Supports: Cabinet Structure 3 4 6 4 1 1 1 0 1 2 1 0 24
428 Stock Material or Miscellaneous Articles 1 4 4 3 3 3 1 1 0 2 1 1 24
435 Chemistry: Molecular Biology and Microbiology 1 0 4 1 8 3 2 1 0 2 0 2 24
137 Fluid Handling 6 5 3 4 1 1 0 1 0 0 1 1 23
280 Land Vehicles 1 3 3 1 1 3 0 4 4 0 0 2 22
340 Communications: Electrical 0 0 0 0 1 2 6 2 2 2 5 2 22
029 Metal Working 1 0 4 1 0 2 3 1 2 3 4 0 21
036 Boots, Shoes, and Leggings 0 1 0 0 3 2 1 3 4 0 3 4 21
206 Special Receptacle or Package 0 5 1 1 2 2 0 0 2 1 2 5 21
211 Supports: Racks 6 5 3 2 2 0 0 2 0 0 1 0 21
210 Liquid Purification or Separation 0 1 3 3 7 1 1 2 0 0 0 1 19
073 Measuring and Testing 1 1 2 2 1 4 2 1 1 1 1 1 18
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 4 3 4 3 0 1 0 0 1 1 0 18
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 0 1 4 1 2 0 0 0 2 3 2 18
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 5 5 1 0 1 0 0 0 0 1 1 17
122 Liquid Heaters and Vaporizers 0 0 1 0 1 1 0 0 2 3 2 4 14
301 Land Vehicles: Wheels and Axles 2 1 1 2 3 1 2 1 0 1 0 0 14
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 0 0 0 2 3 1 0 2 1 1 3 14
005 Beds 0 1 4 1 2 1 1 1 1 0 1 0 13
292 Closure Fasteners 0 2 1 4 1 0 0 1 0 3 1 0 13
072 Metal Deforming 0 0 0 0 0 1 3 0 2 0 1 5 12
219 Electric Heating 1 1 0 1 2 2 1 2 0 0 1 1 12
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 0 1 0 4 2 1 1 0 1 0 2 12
220 Receptacles 2 2 0 1 3 0 1 1 0 1 0 0 11
250 Radiant Energy 0 0 1 0 0 0 0 2 3 3 2 0 11
267 Spring Devices 1 0 3 2 1 0 0 0 2 0 1 1 11
119 Animal Husbandry 1 1 0 4 1 1 0 1 0 0 0 1 10
244 Aeronautics and Astronautics 0 0 0 0 0 0 1 1 2 0 5 1 10
361 Electricity: Electrical Systems and Devices 0 0 0 0 0 1 0 1 1 2 1 4 10
033 Geometrical Instruments 0 2 1 2 0 0 1 2 1 0 0 0 9
040 Card, Picture, or Sign Exhibiting 1 0 0 0 1 0 1 2 0 1 1 2 9
053 Package Making 0 1 2 2 1 0 0 2 1 0 0 0 9
055 Gas Separation 0 0 0 1 0 0 0 0 0 1 5 2 9
134 Cleaning and Liquid Contact with Solids 0 0 0 0 0 0 1 1 1 0 3 3 9
414 Material or Article Handling 1 3 0 0 0 2 0 1 0 0 0 2 9
417 Pumps 3 1 1 0 1 1 0 0 0 0 1 1 9
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 0 0 2 0 0 1 1 3 1 0 1 9
074 Machine Element or Mechanism 0 2 1 0 0 0 0 0 0 2 2 1 8
209 Classifying, Separating, and Assorting Solids 0 0 1 0 1 1 1 1 1 1 0 1 8
224 Package and Article Carriers 1 4 0 0 0 1 1 0 1 0 0 0 8
293 Vehicle Fenders 0 0 2 3 1 0 1 1 0 0 0 0 8
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 1 0 0 1 0 2 0 0 0 3 1 8
062 Refrigeration 0 0 0 1 1 0 1 1 1 0 0 2 7
099 Foods and Beverages: Apparatus 3 1 0 3 0 0 0 0 0 0 0 0 7
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 0 0 2 0 1 1 0 2 1 0 0 0 7
222 Dispensing (apparatus and process) 1 0 1 0 1 1 2 1 0 0 0 0 7
223 Apparel Apparatus 3 1 2 1 0 0 0 0 0 0 0 0 7
401 Coating Implements with Material Supply 1 0 0 0 2 0 0 1 0 0 2 1 7
426 Food or Edible Material: Processes, Compositions, and Products 0 0 2 0 0 0 0 1 0 1 0 3 7
049 Movable or Removable Closures 1 1 0 1 0 1 0 0 1 0 0 1 6
160 Flexible or Portable Closure, Partition, or Panel 0 1 0 1 1 1 1 0 0 1 0 0 6
174 Electricity: Conductors and Insulators 2 1 0 1 0 0 0 1 0 0 0 1 6
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 2 0 0 0 0 0 1 2 0 0 1 6
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 0 1 1 0 1 1 1 0 1 0 0 6
269 Work Holders 1 1 2 0 0 0 1 0 0 0 0 1 6
285 Pipe Joints or Couplings 0 2 1 0 1 0 1 0 1 0 0 0 6
315 Electric Lamp and Discharge Devices: Systems 0 0 0 0 2 0 0 1 1 1 0 1 6
324 Electricity: Measuring and Testing 0 0 0 3 0 0 2 0 1 0 0 0 6
345 Computer Graphics Processing and Selective Visual Display Systems 0 0 0 0 0 1 0 1 2 0 0 2 6
410 Freight Accommodation On Freight Carrier 2 1 0 2 0 0 0 0 1 0 0 0 6
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 0 0 2 0 0 3 0 0 1 0 0 0 6
473 Games Using Tangible Projectile 0 0 0 0 1 1 1 1 0 1 0 1 6
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 0 0 0 2 0 0 0 3 0 0 1 6
002 Apparel 0 2 0 0 0 0 1 1 0 0 0 1 5
004 Baths, Closets, Sinks, and Spittoons 0 0 0 0 0 0 1 2 0 0 0 2 5
118 Coating Apparatus 1 0 1 2 0 1 0 0 0 0 0 0 5
148 Metal Treatment 0 2 1 1 0 0 0 0 0 0 1 0 5
165 Heat Exchange 1 0 0 1 0 0 3 0 0 0 0 0 5
188 Brakes 0 0 1 0 1 0 1 0 1 1 0 0 5
251 Valves and Valve Actuation 1 0 1 0 1 0 0 1 0 1 0 0 5
294 Handling: Hand and Hoist-Line Implements 0 0 0 0 0 0 2 1 0 0 0 2 5
307 Electrical Transmission or Interconnection Systems 0 0 0 0 0 0 0 2 0 0 1 2 5
341 Coded Data Generation or Conversion 0 0 0 1 0 0 1 0 1 1 1 0 5
366 Agitating (e.g., of articles and materials) 2 1 0 0 0 0 1 0 1 0 0 0 5
434 Education and Demonstration 0 0 0 0 1 0 1 0 0 0 0 3 5
606 Surgery (instruments) 0 0 1 1 0 1 0 0 0 0 1 1 5
702 DP: Measuring, Calibrating, or Testing (Data Processing) 0 0 1 1 0 2 0 1 0 0 0 0 5
024 Buckles, Buttons, Clasps, Etc. 0 1 0 1 1 0 0 0 0 1 0 0 4
083 Cutting 1 1 1 0 1 0 0 0 0 0 0 0 4
124 Mechanical Guns and Projectors 0 0 0 0 0 0 2 0 1 0 1 0 4
180 Motor Vehicles 0 1 0 0 1 0 1 0 0 0 0 1 4
181 Acoustics 1 0 0 0 1 0 0 0 0 0 1 1 4
182 Fire Escape, Ladder, or Scaffold 1 0 0 1 0 0 1 0 0 0 1 0 4
242 Winding, Tensioning, or Guiding 2 0 0 1 1 0 0 0 0 0 0 0 4
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 1 0 0 0 1 0 0 2 0 4
369 Dynamic Information Storage or Retrieval 0 1 1 1 1 0 0 0 0 0 0 0 4
370 Multiplex Communications 0 1 1 0 0 0 0 0 0 1 1 0 4
433 Dentistry 1 0 0 0 0 0 1 0 0 1 1 0 4
707 DP: Database and File Management or Data Structures (Data Processing) 0 0 0 0 0 1 0 0 0 1 1 1 4
034 Drying and Gas or Vapor Contact with Solids 0 1 0 0 0 0 0 0 0 0 0 2 3
043 Fishing, Trapping, and Vermin Destroying 0 0 1 0 0 0 0 0 0 0 0 2 3
084 Music 0 0 0 0 0 0 0 0 1 0 1 1 3
096 Gas Separation: Apparatus 0 0 0 0 0 0 0 0 0 1 1 1 3
114 Ships 1 0 0 1 1 0 0 0 0 0 0 0 3
116 Signals and Indicators 0 1 0 1 0 0 0 0 0 0 0 1 3
132 Toilet 0 1 0 0 1 0 0 1 0 0 0 0 3
135 Tent, Canopy, Umbrella, or Cane 0 0 0 0 0 1 1 0 1 0 0 0 3
172 Earth Working 1 0 1 0 1 0 0 0 0 0 0 0 3
200 Electricity: Circuit Makers and Breakers 0 0 0 0 0 0 0 0 1 1 0 1 3
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 1 0 0 0 0 1 0 1 0 0 0 3
221 Article Dispensing 0 0 0 0 0 1 1 1 0 0 0 0 3
229 Envelopes, Wrappers, and Paperboard Boxes 0 0 0 1 0 1 0 0 0 0 0 1 3
343 Communications: Radio Wave Antennas 0 0 1 0 0 0 0 0 0 1 0 1 3
348 Television 0 1 0 0 0 0 1 0 0 0 0 1 3
403 Joints and Connections 0 1 1 0 1 0 0 0 0 0 0 0 3
418 Rotary Expansible Chamber Devices 1 0 0 0 2 0 0 0 0 0 0 0 3
438 Semiconductor Device Manufacturing: Process 0 0 0 1 1 0 1 0 0 0 0 0 3
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 0 2 0 0 0 0 0 0 0 3
446 Amusement Devices: Toys 1 0 0 0 0 1 0 0 0 0 1 0 3
463 Amusement Devices: Games 0 0 0 0 0 0 0 0 0 1 1 1 3
475 Planetary Gear Transmission Systems or Components 0 0 1 1 0 0 0 0 0 0 1 0 3
482 Exercise Devices 0 0 1 0 0 0 0 0 1 0 0 1 3
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 0 0 0 1 0 0 0 1 0 0 1 0 3
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 0 0 1 0 0 0 0 0 0 0 0 1 2
014 Bridges 0 0 0 0 0 0 0 0 0 2 0 0 2
016 Miscellaneous Hardware 0 0 0 0 1 0 1 0 0 0 0 0 2
037 Excavating 0 0 0 1 1 0 0 0 0 0 0 0 2
081 Tools 0 0 0 0 0 0 0 0 1 0 0 1 2
095 Gas Separation: Processes 0 0 1 0 0 0 0 0 1 0 0 0 2
105 Railway Rolling Stock 0 0 0 0 0 1 0 0 1 0 0 0 2
112 Sewing 0 0 0 0 0 0 0 0 1 0 1 0 2
138 Pipes and Tubular Conduits 0 0 0 0 1 0 1 0 0 0 0 0 2
144 Woodworking 0 0 0 0 1 0 0 0 0 0 0 1 2
164 Metal Founding 0 0 0 0 0 0 0 0 0 0 0 2 2
204 Chemistry: Electrical and Wave Energy 0 0 0 0 0 0 1 0 0 0 1 0 2
241 Solid Material Comminution or Disintegration 0 0 0 0 0 0 0 0 1 1 0 0 2
266 Metallurgical Apparatus 0 1 0 0 0 0 0 0 0 0 0 1 2
310 Electrical Generator or Motor Structure 0 0 0 0 0 0 0 0 1 0 1 0 2
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 1 0 0 1 0 0 0 0 0 2
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 0 0 0 1 0 1 2
381 Electrical Audio Signal Processing Systems and Devices 0 0 0 0 0 2 0 0 0 0 0 0 2
385 Optical Waveguides 1 0 0 0 0 0 0 0 1 0 0 0 2
398 Optical Communications 1 0 1 0 0 0 0 0 0 0 0 0 2
440 Marine Propulsion 0 0 0 0 2 0 0 0 0 0 0 0 2
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 1 0 0 0 0 0 0 1 2
451 Abrading 0 0 1 0 1 0 0 0 0 0 0 0 2
454 Ventilation 0 1 0 0 1 0 0 0 0 0 0 0 2
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 0 1 0 0 0 0 0 0 0 1 2
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 1 0 0 0 0 0 1 2
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 0 0 1 0 0 0 1 0 0 0 2
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 0 0 0 0 0 0 0 0 0 1 1 0 2
012 Boot and Shoe Making 0 0 0 0 0 0 0 1 0 0 0 0 1
030 Cutlery 0 0 0 0 1 0 0 0 0 0 0 0 1
038 Textiles: Ironing or Smoothing 0 0 0 0 0 0 0 0 0 0 1 0 1
042 Firearms 0 0 0 0 0 0 0 1 0 0 0 0 1
047 Plant Husbandry 0 0 0 1 0 0 0 0 0 0 0 0 1
054 Harness for Working Animal 0 0 0 0 0 0 0 0 1 0 0 0 1
060 Power Plants 0 0 0 0 0 0 0 0 0 0 0 1 1
070 Locks 0 0 0 0 0 1 0 0 0 0 0 0 1
092 Expansible Chamber Devices 0 0 0 0 1 0 0 0 0 0 0 0 1
104 Railways 0 0 0 0 0 0 0 0 0 0 0 1 1
126 Stoves and Furnaces 0 0 0 1 0 0 0 0 0 0 0 0 1
184 Lubrication 1 0 0 0 0 0 0 0 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 0 0 0 0 0 0 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 1 0 0 0 0 0 0 0 1
192 Clutches and Power-Stop Control 0 0 0 0 0 1 0 0 0 0 0 0 1
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 0 0 0 0 0 0 0 1
194 Check-Actuated Control Mechanisms 0 1 0 0 0 0 0 0 0 0 0 0 1
212 Traversing Hoists 0 0 0 0 0 0 0 0 0 1 0 0 1
215 Bottles and Jars 1 0 0 0 0 0 0 0 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 0 0 0 0 1 0 0 0 0 0 0 0 1
228 Metal Fusion Bonding 0 0 0 0 0 1 0 0 0 0 0 0 1
236 Automatic Temperature and Humidity Regulation 0 0 1 0 0 0 0 0 0 0 0 0 1
238 Railways: Surface Track 0 0 0 0 0 0 0 0 0 0 0 1 1
252 Compositions 0 1 0 0 0 0 0 0 0 0 0 0 1
256 Fences 0 0 1 0 0 0 0 0 0 0 0 0 1
273 Amusement Devices: Games 0 0 0 1 0 0 0 0 0 0 0 0 1
279 Chucks or Sockets 0 0 0 1 0 0 0 0 0 0 0 0 1
290 Prime-Mover Dynamo Plants 0 0 0 0 0 0 0 0 0 0 0 1 1
303 Fluid-Pressure and Analogous Brake Systems 0 1 0 0 0 0 0 0 0 0 0 0 1
313 Electric Lamp and Discharge Devices 0 0 0 1 0 0 0 0 0 0 0 0 1
320 Electricity: Battery or Capacitor Charging or Discharging 0 0 0 0 0 0 0 0 0 0 0 1 1
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 0 0 0 0 0 1 0 0 0 0 0 1
336 Inductor Devices 1 0 0 0 0 0 0 0 0 0 0 0 1
351 Optics: Eye Examining, Vision Testing and Correcting 0 0 0 1 0 0 0 0 0 0 0 0 1
368 Horology: Time Measuring Systems or Devices 0 0 0 0 0 1 0 0 0 0 0 0 1
374 Thermal Measuring and Testing 0 0 0 0 0 0 0 0 1 0 0 0 1
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 0 0 0 0 0 0 1 0 0 1
382 Image Analysis 0 0 0 0 1 0 0 0 0 0 0 0 1
400 Typewriting Machines 0 0 1 0 0 0 0 0 0 0 0 0 1
404 Road Structure, Process, or Apparatus 0 0 0 0 0 0 0 1 0 0 0 0 1
405 Hydraulic and Earth Engineering 0 0 0 0 0 0 0 0 1 0 0 0 1
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 0 0 0 0 0 0 0 0 0 0 0 1 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 0 0 0 1 0 0 0 0 0 0 1
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 1 0 0 0 0 0 0 0 1
427 Coating Processes 0 0 0 0 0 0 0 0 0 1 0 0 1
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 1 0 0 0 0 0 1
431 Combustion 1 0 0 0 0 0 0 0 0 0 0 0 1
432 Heating 0 0 1 0 0 0 0 0 0 0 0 0 1
452 Butchering 0 0 0 0 0 1 0 0 0 0 0 0 1
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 0 0 0 0 1 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 0 0 0 0 0 0 0 0 0 0 1
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 0 0 1 0 0 0 0 0 0 0 1
532 Organic Compounds (includes Classes 532-570) 0 0 0 0 0 0 0 0 1 0 0 0 1
585 Chemistry of Hydrocarbon Compounds 0 0 1 0 0 0 0 0 0 0 0 0 1
601 Surgery: Kinesitherapy 0 1 0 0 0 0 0 0 0 0 0 0 1
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 0 0 0 0 0 0 1 0 0 0 0 1
706 DP: Artificial Intelligence (Data Processing) 0 0 0 0 0 0 0 0 0 0 0 1 1
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 0 0 1 0 1
711 Memory (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 0 0 1 0 0 0 1
714 Error Detection/Correction and Fault Detection/Recovery 0 0 0 0 0 0 0 0 0 0 0 1 1
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 0 1 0 0 0 0 0 1
726 Information Security 0 0 0 0 0 0 0 0 1 0 0 0 1
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 0 0 0 0 0 0 0 0 0 0 1 1
ALL ALL CLASSES 174 194 195 181 165 140 141 127 135 117 159 189 1917


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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

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/


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