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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 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

SOUTH KOREA

( 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' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 2000 2001 2002 2003 2004 Total
438 Semiconductor Device Manufacturing: Process 351 455 483 456 503 2248
365 Static Information Storage and Retrieval 240 216 194 159 199 1008
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 140 147 206 244 247 984
349 Liquid Crystal Cells, Elements and Systems 73 84 110 170 227 664
313 Electric Lamp and Discharge Devices 42 60 86 130 139 457
370 Multiplex Communications 53 63 104 105 108 433
345 Computer Graphics Processing and Selective Visual Display Systems 62 89 96 78 99 424
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 91 101 70 62 78 402
455 Telecommunications 58 76 78 74 107 393
369 Dynamic Information Storage or Retrieval 52 65 71 84 95 367
375 Pulse or Digital Communications 76 88 68 58 74 364
348 Television 82 83 67 68 63 363
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 51 58 63 60 73 305
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 55 46 58 68 64 291
062 Refrigeration 64 31 54 58 73 280
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 44 47 53 62 65 271
219 Electric Heating 52 34 54 37 76 253
532 Organic Compounds (includes Classes 532-570) 51 48 64 58 31 252
359 Optics: Systems and Elements 65 40 30 48 49 232
315 Electric Lamp and Discharge Devices: Systems 18 39 38 61 71 227
361 Electricity: Electrical Systems and Devices 36 52 31 42 38 199
385 Optical Waveguides 31 42 36 42 48 199
399 Electrophotography 41 50 29 22 53 195
714 Error Detection/Correction and Fault Detection/Recovery 37 34 36 37 42 186
428 Stock Material or Miscellaneous Articles 28 27 44 37 43 179
382 Image Analysis 39 32 22 43 36 172
347 Incremental Printing of Symbolic Information 36 30 46 25 31 168
360 Dynamic Magnetic Information Storage or Retrieval 55 46 23 14 17 155
324 Electricity: Measuring and Testing 20 22 35 31 34 142
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 10 25 35 35 36 141
386 Television Signal Processing for Dynamic Recording or Reproducing 26 24 28 17 43 138
310 Electrical Generator or Motor Structure 12 17 24 31 41 125
417 Pumps 11 12 25 30 39 117
435 Chemistry: Molecular Biology and Microbiology 14 32 26 25 20 117
029 Metal Working 11 16 32 30 22 111
250 Radiant Energy 13 20 24 26 28 111
341 Coded Data Generation or Conversion 27 20 22 15 26 110
710 Input/Output (Electrical Computers and Digital Processing Systems) 28 23 12 15 27 105
713 Support (Electrical Computers and Digital Processing Systems) 37 25 11 16 16 105
379 Telephonic Communications 28 11 22 21 20 102
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 20 20 12 14 31 97
073 Measuring and Testing 15 22 19 16 22 94
326 Electronic Digital Logic Circuitry 16 26 16 18 18 94
700 DP: Generic Control Systems or Specific Applications (Data Processing) 14 28 17 20 15 94
358 Facsimile and Static Presentation Processing 28 22 15 18 9 92
427 Coating Processes 23 10 18 17 22 90
128 Surgery (includes Class 600) 14 9 20 21 21 85
340 Communications: Electrical 29 16 9 12 18 84
343 Communications: Radio Wave Antennas 13 21 7 24 19 84
118 Coating Apparatus 22 16 16 13 15 82
296 Land Vehicles: Bodies and Tops 8 19 33 13 9 82
318 Electricity: Motive Power Systems 16 19 14 19 14 82
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 14 16 14 13 22 79
711 Memory (Electrical Computers and Digital Processing Systems) 15 15 11 19 17 77
123 Internal-Combustion Engines 8 10 11 21 26 76
720 Dynamic Optical Information Storage or Retrieval 11 10 25 12 18 76
015 Brushing, Scrubbing, and General Cleaning 8 6 8 29 22 73
333 Wave Transmission Lines and Networks 10 7 14 24 12 67
252 Compositions 5 12 12 20 14 63
280 Land Vehicles 17 8 15 10 12 62
330 Amplifiers 14 7 8 11 20 60
439 Electrical Connectors 13 11 8 12 15 59
445 Electric Lamp or Space Discharge Component or Device Manufacturing 14 13 4 13 15 59
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 3 15 9 15 15 57
356 Optics: Measuring and Testing 13 3 14 8 18 56
702 DP: Measuring, Calibrating, or Testing (Data Processing) 10 5 9 11 21 56
002 Apparel 15 9 10 6 14 54
381 Electrical Audio Signal Processing Systems and Devices 8 5 11 18 12 54
210 Liquid Purification or Separation 6 14 12 7 13 52
362 Illumination 5 5 8 12 22 52
451 Abrading 3 11 7 20 11 52
074 Machine Element or Mechanism 8 11 18 13 1 51
372 Coherent Light Generators 7 5 9 15 14 50
501 Compositions: Ceramic 10 8 12 10 10 50
271 Sheet Feeding or Delivering 18 12 3 9 7 49
475 Planetary Gear Transmission Systems or Components 7 12 14 11 5 49
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 16 7 11 7 8 49
204 Chemistry: Electrical and Wave Energy 14 10 9 4 11 48
398 Optical Communications 6 8 13 12 9 48
707 DP: Database and File Management or Data Structures (Data Processing) 5 7 12 9 15 48
134 Cleaning and Liquid Contact with Solids 8 8 7 11 13 47
320 Electricity: Battery or Capacitor Charging or Discharging 11 7 12 6 11 47
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 8 10 7 6 16 47
165 Heat Exchange 9 3 9 9 16 46
068 Textiles: Fluid Treating Apparatus 14 8 12 6 5 45
363 Electric Power Conversion Systems 10 16 11 2 6 45
174 Electricity: Conductors and Insulators 8 12 9 7 8 44
216 Etching a Substrate: Processes 9 5 11 6 12 43
248 Supports (e.g., for holding articles, etc.) 10 6 11 11 5 43
016 Miscellaneous Hardware 9 7 6 8 12 42
331 Oscillators 9 6 9 7 11 42
708 Arithmetic Processing and Calculating (Electrical Computers) 8 14 8 5 7 42
423 Chemistry of Inorganic Compounds 5 9 7 13 6 40
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 4 6 9 8 12 39
353 Optics: Image Projectors 1 2 12 10 14 39
242 Winding, Tensioning, or Guiding 7 7 13 7 4 38
034 Drying and Gas or Vapor Contact with Solids 7 2 6 9 13 37
055 Gas Separation 4 3 6 16 8 37
477 Interrelated Power Delivery Controls, Including Engine Control 3 5 11 11 7 37
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 3 7 6 8 12 36
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 6 6 7 8 9 36
099 Foods and Beverages: Apparatus 6 6 10 7 6 35
137 Fluid Handling 6 6 6 6 11 35
052 Static Structures (e.g., Buildings) 4 6 11 7 4 32
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 7 10 4 10 1 32
418 Rotary Expansible Chamber Devices 7 5 6 4 9 31
426 Food or Edible Material: Processes, Compositions, and Products 6 9 6 5 4 30
725 Interactive Video Distribution Systems 11 8 3 1 7 30
180 Motor Vehicles 3 4 6 10 6 29
148 Metal Treatment 5 7 4 5 7 28
206 Special Receptacle or Package 6 8 5 6 3 28
228 Metal Fusion Bonding 12 6 1 5 4 28
400 Typewriting Machines 10 4 4 4 6 28
065 Glass Manufacturing 3 2 8 9 5 27
132 Toilet 7 6 8 3 3 27
396 Photography 7 5 7 2 6 27
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 7 7 6 5 26
200 Electricity: Circuit Makers and Breakers 2 4 4 6 10 26
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 9 4 2 3 8 26
323 Electricity: Power Supply or Regulation Systems 6 8 3 6 3 26
414 Material or Article Handling 6 6 5 7 2 26
004 Baths, Closets, Sinks, and Spittoons 1 3 5 12 3 24
401 Coating Implements with Material Supply 3 2 6 8 5 24
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 7 5 6 5 24
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 6 3 2 7 5 23
222 Dispensing (apparatus and process) 2 3 8 3 7 23
351 Optics: Eye Examining, Vision Testing and Correcting 3 3 6 2 9 23
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 3 9 7 3 22
312 Supports: Cabinet Structure 3 3 5 2 9 22
473 Games Using Tangible Projectile 1 5 3 4 9 22
072 Metal Deforming 3 2 8 6 2 21
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 7 10 2 1 1 21
220 Receptacles 1 6 6 1 7 21
221 Article Dispensing 4 4 3 7 3 21
307 Electrical Transmission or Interconnection Systems 5 2 4 5 5 21
431 Combustion 3 4 6 1 7 21
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 2 5 5 3 6 21
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 3 1 2 8 7 21
285 Pipe Joints or Couplings 3 2 9 2 4 20
297 Chairs and Seats 0 6 3 6 5 20
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 1 4 6 4 20
049 Movable or Removable Closures 5 0 3 6 5 19
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 1 3 2 6 7 19
188 Brakes 1 7 6 3 1 18
376 Induced Nuclear Reactions: Processes, Systems, and Elements 2 3 3 3 7 18
392 Electric Resistance Heating Devices 3 5 4 3 3 18
446 Amusement Devices: Toys 1 3 2 2 10 18
454 Ventilation 6 4 5 2 1 18
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 0 5 5 2 6 18
604 Surgery (Medicators and Receptors) 1 2 8 6 1 18
083 Cutting 2 3 1 3 8 17
084 Music 2 3 4 4 4 17
416 Fluid Reaction Surfaces (i.e., Impellers) 0 6 3 2 6 17
606 Surgery (instruments) 2 3 3 7 2 17
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 5 4 2 4 2 17
053 Package Making 2 7 2 4 1 16
060 Power Plants 1 7 2 1 5 16
070 Locks 5 4 4 2 1 16
355 Photocopying 3 2 2 1 8 16
607 Surgery: Light, Thermal, and Electrical Application 3 5 2 6 0 16
033 Geometrical Instruments 4 4 3 1 3 15
036 Boots, Shoes, and Leggings 3 2 6 1 3 15
095 Gas Separation: Processes 3 1 4 3 4 15
106 Compositions: Coating or Plastic 2 2 3 6 2 15
181 Acoustics 2 3 3 5 2 15
192 Clutches and Power-Stop Control 1 2 7 2 3 15
239 Fluid Sprinkling, Spraying, and Diffusing 3 3 4 0 5 15
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 2 3 3 6 15
378 X-Ray or Gamma Ray Systems or Devices 0 3 8 1 3 15
384 Bearings 6 0 4 3 2 15
405 Hydraulic and Earth Engineering 1 2 2 8 2 15
415 Rotary Kinetic Fluid Motors or Pumps 2 3 6 1 3 15
024 Buckles, Buttons, Clasps, Etc. 0 4 2 5 3 14
135 Tent, Canopy, Umbrella, or Cane 2 2 3 4 3 14
184 Lubrication 2 4 3 3 2 14
251 Valves and Valve Actuation 5 2 3 2 2 14
294 Handling: Hand and Hoist-Line Implements 7 2 3 2 0 14
303 Fluid-Pressure and Analogous Brake Systems 2 4 3 3 2 14
433 Dentistry 2 5 3 4 0 14
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 2 3 1 8 0 14
092 Expansible Chamber Devices 0 3 2 5 3 13
434 Education and Demonstration 3 4 2 2 2 13
198 Conveyors: Power-Driven 3 2 0 4 3 12
266 Metallurgical Apparatus 3 4 2 3 0 12
096 Gas Separation: Apparatus 3 1 3 1 3 11
101 Printing 1 2 1 5 2 11
112 Sewing 0 3 1 0 7 11
126 Stoves and Furnaces 2 2 3 3 1 11
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 2 1 0 2 6 11
336 Inductor Devices 2 1 2 3 3 11
380 Cryptography 4 2 1 2 2 11
419 Powder Metallurgy Processes 3 1 2 3 2 11
482 Exercise Devices 1 3 2 3 2 11
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 1 1 5 1 11
040 Card, Picture, or Sign Exhibiting 0 2 3 4 1 10
273 Amusement Devices: Games 0 2 1 3 4 10
338 Electrical Resistors 6 2 1 0 1 10
368 Horology: Time Measuring Systems or Devices 0 3 3 3 1 10
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 2 1 4 3 0 10
420 Alloys or Metallic Compositions 3 2 1 3 1 10
601 Surgery: Kinesitherapy 1 1 2 5 1 10
005 Beds 2 0 1 1 5 9
051 Abrasive Tool Making Process, Material, or Composition 0 0 4 3 2 9
057 Textiles: Spinning, Twisting, and Twining 1 4 3 1 0 9
102 Ammunition and Explosives 0 1 3 4 1 9
119 Animal Husbandry 4 0 3 1 1 9
267 Spring Devices 3 2 2 2 0 9
292 Closure Fasteners 1 1 3 2 2 9
403 Joints and Connections 1 2 0 3 3 9
463 Amusement Devices: Games 1 1 3 2 2 9
030 Cutlery 0 5 2 0 1 8
108 Horizontally Supported Planar Surfaces 1 2 0 3 2 8
138 Pipes and Tubular Conduits 1 2 2 2 1 8
150 Purses, Wallets, and Protective Covers 3 3 0 1 1 8
164 Metal Founding 1 3 0 2 2 8
432 Heating 2 2 2 0 2 8
436 Chemistry: Analytical and Immunological Testing 3 2 2 0 1 8
066 Textiles: Knitting 2 1 2 0 2 7
125 Stone Working 1 0 2 4 0 7
162 Paper Making and Fiber Liberation 2 3 1 1 0 7
169 Fire Extinguishers 2 0 1 2 2 7
173 Tool Driving or Impacting 3 2 1 1 0 7
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 1 2 3 7
374 Thermal Measuring and Testing 2 1 1 0 3 7
404 Road Structure, Process, or Apparatus 2 0 0 3 2 7
224 Package and Article Carriers 3 2 0 1 0 6
229 Envelopes, Wrappers, and Paperboard Boxes 2 1 0 2 1 6
290 Prime-Mover Dynamo Plants 0 1 0 2 3 6
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 1 3 1 6
504 Plant Protecting and Regulating Compositions 0 2 2 0 2 6
717 DP: Software Development, Installation, and Management (Data Processing) 1 4 1 0 0 6
122 Liquid Heaters and Vaporizers 0 0 2 2 1 5
131 Tobacco 1 0 0 0 4 5
136 Batteries: Thermoelectric and Photoelectric 0 0 2 2 1 5
209 Classifying, Separating, and Assorting Solids 1 2 1 0 1 5
211 Supports: Racks 0 4 0 0 1 5
223 Apparel Apparatus 3 2 0 0 0 5
236 Automatic Temperature and Humidity Regulation 1 1 1 1 1 5
237 Heating Systems 0 0 0 2 3 5
238 Railways: Surface Track 1 0 1 1 2 5
244 Aeronautics 1 0 0 4 0 5
293 Vehicle Fenders 2 0 0 0 3 5
332 Modulators 1 1 2 1 0 5
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 0 0 0 4 5
453 Coin Handling 0 1 0 2 2 5
474 Endless Belt Power Transmission Systems or Components 2 1 2 0 0 5
585 Chemistry of Hydrocarbon Compounds 2 1 1 1 0 5
602 Surgery: Splint, Brace, or Bandage 0 1 0 3 1 5
706 DP: Artificial Intelligence (Data Processing) 1 1 2 1 0 5
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 1 0 0 4 5
044 Fuel and Related Compositions 2 0 1 1 0 4
047 Plant Husbandry 0 0 4 0 0 4
081 Tools 1 2 0 0 1 4
110 Furnaces 0 3 1 0 0 4
226 Advancing Material of Indeterminate Length 0 1 0 1 2 4
241 Solid Material Comminution or Disintegration 0 2 2 0 0 4
261 Gas and Liquid Contact Apparatus 0 0 2 0 2 4
352 Optics: Motion Pictures 0 0 0 1 3 4
366 Agitating (e.g., of articles and materials) 0 2 0 1 1 4
409 Gear Cutting, Milling, or Planing 1 1 1 1 0 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 1 0 0 2 4
014 Bridges 0 0 2 0 1 3
071 Chemistry: Fertilizers 1 1 0 0 1 3
124 Mechanical Guns and Projectors 0 2 0 0 1 3
152 Resilient Tires and Wheels 0 1 0 1 1 3
160 Flexible or Portable Closure, Partition, or Panel 0 0 0 1 2 3
208 Mineral Oils: Processes and Products 0 1 0 0 2 3
215 Bottles and Jars 1 1 1 0 0 3
227 Elongated-Member-Driving Apparatus 1 1 0 1 0 3
329 Demodulators 1 0 0 2 0 3
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 2 1 0 0 3
407 Cutters, for Shaping 0 1 1 1 0 3
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 0 0 1 1 3
505 Superconductor Technology: Apparatus, Material, Process 2 0 0 0 1 3
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 1 1 0 1 3
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 0 3 3
007 Compound Hand Tools 0 0 1 1 0 2
089 Ordnance 0 1 1 0 0 2
100 Presses 0 0 0 1 1 2
114 Ships 0 0 0 1 1 2
149 Explosive and Thermic Compositions or Charges 0 0 0 2 0 2
175 Boring or Penetrating the Earth 0 0 0 1 1 2
178 Telegraphy 1 0 1 0 0 2
182 Fire Escape, Ladder, or Scaffold 0 0 1 1 0 2
191 Electricity: Transmission To Vehicles 0 2 0 0 0 2
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 0 2 2
277 Seal for a Joint or Juncture 1 0 1 0 0 2
299 Mining or In Situ Disintegration of Hard Material 0 0 2 0 0 2
301 Land Vehicles: Wheels and Axles 0 0 0 1 1 2
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 0 0 2 2
346 Recorders 0 1 0 1 0 2
413 Sheet Metal Container Making 0 0 2 0 0 2
440 Marine Propulsion 1 0 0 1 0 2
450 Foundation Garments 1 1 0 0 0 2
472 Amusement Devices 0 0 0 0 2 2
494 Imperforate Bowl: Centrifugal Separators 0 0 1 0 1 2
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 1 1 0 0 2
001 ** Classification Undetermined ** 0 1 0 0 0 1
019 Textiles: Fiber Preparation 0 0 1 0 0 1
037 Excavating 0 0 0 1 0 1
038 Textiles: Ironing or Smoothing 0 0 1 0 0 1
059 Chain, Staple, and Horseshoe Making 0 0 0 1 0 1
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 1 0 1
091 Motors: Expansible Chamber Type 0 0 0 0 1 1
104 Railways 0 1 0 0 0 1
111 Planting 0 0 0 1 0 1
116 Signals and Indicators 0 0 1 0 0 1
140 Wireworking 1 0 0 0 0 1
144 Woodworking 1 0 0 0 0 1
172 Earth Working 0 0 0 0 1 1
177 Weighing Scales 1 0 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 1 0 0 1
190 Trunks and Hand-Carried Luggage 0 0 0 0 1 1
194 Check-Actuated Control Mechanisms 0 0 0 1 0 1
213 Railway Draft Appliances 0 1 0 0 0 1
225 Severing by Tearing or Breaking 0 1 0 0 0 1
246 Railway Switches and Signals 0 0 1 0 0 1
256 Fences 0 1 0 0 0 1
269 Work Holders 1 0 0 0 0 1
270 Sheet-Material Associating 0 1 0 0 0 1
281 Books, Strips, and Leaves 1 0 0 0 0 1
283 Printed Matter 0 0 1 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 0 0 1 0 0 1
322 Electricity: Single Generator Systems 0 0 0 0 1 1
373 Industrial Electric Heating Furnaces 0 0 0 1 0 1
383 Flexible Bags 0 0 1 0 0 1
388 Electricity: Motor Control Systems 0 0 1 0 0 1
406 Conveyors: Fluid Current 0 0 0 0 1 1
408 Cutting by Use of Rotating Axially Moving Tool 0 1 0 0 0 1
410 Freight Accommodation On Freight Carrier 0 0 0 0 1 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 1 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 1 0 1
483 Tool Changing 0 1 0 0 0 1
492 Roll or Roller 0 0 0 0 1 1
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 1 1
ALL ALL CLASSES 3314 3538 3786 3944 4428 19010


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Office of Electronic Information Products - PTMD
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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