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 1996 - 2000 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

VIRGINIA

(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 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 32 39 50 41 54 216
428 Stock Material or Miscellaneous Articles 24 26 19 29 27 125
455 Telecommunications 16 11 30 21 24 102
435 Chemistry: Molecular Biology and Microbiology 14 20 21 18 22 95
073 Measuring and Testing 20 14 22 16 22 94
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 19 16 16 18 22 91
370 Multiplex Communications 11 16 21 10 24 82
052 Static Structures (e.g., Buildings) 12 20 15 17 11 75
379 Telephonic Communications 8 10 21 15 19 73
359 Optics: Systems (Including Communication) and Elements 9 10 21 16 8 64
532 Organic Compounds (includes Classes 532-570) 12 22 9 15 6 64
123 Internal-Combustion Engines 15 4 16 9 19 63
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 13 16 16 10 8 63
340 Communications: Electrical 9 11 13 10 18 61
250 Radiant Energy 13 10 11 8 14 56
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 17 7 9 9 14 56
606 Surgery (instruments) 8 7 13 9 18 55
239 Fluid Sprinkling, Spraying, and Diffusing 14 5 11 8 16 54
128 Surgery (includes Class 600) 10 9 12 11 11 53
131 Tobacco 10 16 10 9 7 52
348 Television 11 5 17 7 10 50
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 7 4 14 6 17 48
473 Games Using Tangible Projectile 6 10 10 12 8 46
210 Liquid Purification or Separation 7 7 8 8 14 44
356 Optics: Measuring and Testing 9 4 11 6 13 43
002 Apparel 9 13 8 6 6 42
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 3 2 8 11 18 42
029 Metal Working 5 8 11 8 9 41
426 Food or Edible Material: Processes, Compositions, and Products 6 3 3 14 13 39
244 Aeronautics 8 6 6 9 8 37
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 6 4 8 7 12 37
248 Supports (e.g., for holding articles, etc.) 3 6 5 11 11 36
385 Optical Waveguides 3 6 5 9 12 35
427 Coating Processes 6 4 6 9 10 35
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4 5 13 6 6 34
324 Electricity: Measuring and Testing 6 11 7 8 1 33
280 Land Vehicles 8 5 7 4 8 32
375 Pulse or Digital Communications 5 5 7 7 8 32
206 Special Receptacle or Package 7 2 10 7 5 31
005 Beds 8 2 5 6 9 30
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 6 5 6 6 7 30
219 Electric Heating 8 4 5 9 4 30
382 Image Analysis 6 4 4 10 6 30
438 Semiconductor Device Manufacturing: Process 4 3 1 6 16 30
119 Animal Husbandry 4 6 9 8 2 29
148 Metal Treatment 9 6 8 2 4 29
310 Electrical Generator or Motor Structure 2 1 6 6 14 29
380 Cryptography 6 4 5 5 9 29
604 Surgery (Medicators and Receptors) 2 2 11 5 9 29
149 Explosive and Thermic Compositions or Charges 2 3 10 2 11 28
198 Conveyors: Power-Driven 10 4 5 2 7 28
434 Education and Demonstration 5 5 5 8 5 28
482 Exercise Devices 2 5 7 6 7 27
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 6 4 6 5 6 27
062 Refrigeration 5 2 4 9 6 26
124 Mechanical Guns and Projectors 6 5 5 6 4 26
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 1 3 10 7 5 26
220 Receptacles 3 5 8 5 4 25
361 Electricity: Electrical Systems and Devices 4 2 7 8 4 25
362 Illumination 3 2 4 7 9 25
381 Electrical Audio Signal Processing Systems and Devices 3 4 7 3 8 25
713 Support (Electrical Computers and Digital Processing Systems) 3 4 5 8 5 25
315 Electric Lamp and Discharge Devices: Systems 6 2 3 3 10 24
405 Hydraulic and Earth Engineering 6 4 6 3 5 24
702 DP: Measuring, Calibrating, or Testing (Data Processing) 6 5 4 5 4 24
114 Ships 8 2 3 5 5 23
137 Fluid Handling 4 2 5 5 7 23
162 Paper Making and Fiber Liberation 4 4 4 5 6 23
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 6 6 2 5 4 23
004 Baths, Closets, Sinks, and Spittoons 5 6 4 5 2 22
099 Foods and Beverages: Apparatus 4 3 2 5 8 22
372 Coherent Light Generators 9 3 5 1 4 22
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 3 6 6 4 3 22
436 Chemistry: Analytical and Immunological Testing 2 5 7 3 5 22
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 3 1 3 9 6 22
030 Cutlery 4 6 2 2 7 21
222 Dispensing (apparatus and process) 2 3 4 7 5 21
224 Package and Article Carriers 4 9 2 3 3 21
294 Handling: Hand and Hoist-Line Implements 8 7 3 1 2 21
351 Optics: Eye Examining, Vision Testing and Correcting 2 3 3 6 7 21
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 5 6 4 4 21
725 Interactive Video Distribution Systems 3 9 8 1 0 21
273 Amusement Devices: Games 6 3 6 4 1 20
439 Electrical Connectors 1 5 3 8 3 20
044 Fuel and Related Compositions 5 6 3 3 2 19
343 Communications: Radio Wave Antennas 5 2 3 7 2 19
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 3 3 1 10 18
102 Ammunition and Explosives 0 5 3 4 5 17
174 Electricity: Conductors and Insulators 2 1 2 4 8 17
376 Induced Nuclear Reactions: Processes, Systems, and Elements 4 5 4 4 0 17
446 Amusement Devices: Toys 1 1 3 6 6 17
700 DP: Generic Control Systems or Specific Applications (Data Processing) 0 5 6 5 1 17
033 Geometrical Instruments 2 6 1 2 5 16
363 Electric Power Conversion Systems 3 1 5 4 3 16
417 Pumps 0 0 3 3 10 16
070 Locks 2 1 4 4 4 15
072 Metal Deforming 0 7 5 1 2 15
134 Cleaning and Liquid Contact with Solids 1 0 4 7 3 15
175 Boring or Penetrating the Earth 2 6 4 0 3 15
451 Abrading 2 4 4 4 1 15
714 Error Detection/Correction and Fault Detection/Recovery 7 1 2 3 2 15
053 Package Making 2 0 3 4 5 14
060 Power Plants 2 1 3 3 5 14
089 Ordnance 0 0 7 3 4 14
182 Fire Escape, Ladder, or Scaffold 6 2 1 1 4 14
211 Supports: Racks 4 2 4 3 1 14
229 Envelopes, Wrappers, and Paperboard Boxes 1 2 4 3 4 14
365 Static Information Storage and Retrieval 5 4 1 2 2 14
043 Fishing, Trapping, and Vermin Destroying 2 2 3 4 2 13
188 Brakes 8 1 0 4 0 13
313 Electric Lamp and Discharge Devices 2 2 2 3 4 13
318 Electricity: Motive Power Systems 2 1 2 4 4 13
015 Brushing, Scrubbing, and General Cleaning 5 1 2 4 0 12
016 Miscellaneous Hardware 1 2 4 5 0 12
034 Drying and Gas or Vapor Contact with Solids 2 3 2 3 2 12
040 Card, Picture, or Sign Exhibiting 1 1 2 5 3 12
042 Firearms 2 3 5 2 0 12
165 Heat Exchange 5 1 2 0 4 12
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 4 0 1 2 5 12
241 Solid Material Comminution or Disintegration 2 4 3 2 1 12
252 Compositions 0 3 3 2 4 12
285 Pipe Joints or Couplings 2 2 4 1 3 12
297 Chairs and Seats 4 3 0 1 4 12
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 1 1 2 6 12
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 1 0 2 5 11
132 Toilet 2 4 2 2 1 11
400 Typewriting Machines 1 3 2 3 2 11
433 Dentistry 2 1 4 3 1 11
463 Amusement Devices: Games 1 4 4 0 2 11
602 Surgery: Splint, Brace, or Bandage 0 3 2 5 1 11
074 Machine Element or Mechanism 0 2 2 6 0 10
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 1 2 3 10
118 Coating Apparatus 1 1 2 2 4 10
307 Electrical Transmission or Interconnection Systems 0 4 1 2 3 10
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 1 0 8 10
399 Electrophotography 1 0 5 1 3 10
418 Rotary Expansible Chamber Devices 1 1 0 0 8 10
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 0 2 1 5 10
454 Ventilation 1 1 4 0 4 10
036 Boots, Shoes, and Leggings 1 0 2 3 3 9
135 Tent, Canopy, Umbrella, or Cane 1 1 2 2 3 9
164 Metal Founding 2 0 2 0 5 9
215 Bottles and Jars 1 2 1 4 1 9
242 Winding, Tensioning, or Guiding 2 2 1 3 1 9
384 Bearings 3 1 2 1 2 9
396 Photography 0 2 0 5 2 9
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 1 3 1 2 9
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1 0 1 4 3 9
056 Harvesters 2 1 1 4 0 8
126 Stoves and Furnaces 1 0 2 4 1 8
192 Clutches and Power-Stop Control 0 2 0 4 2 8
204 Chemistry: Electrical and Wave Energy 2 1 0 3 2 8
251 Valves and Valve Actuation 0 3 0 3 2 8
323 Electricity: Power Supply or Regulation Systems 2 0 3 2 1 8
366 Agitating (e.g., of articles and materials) 0 2 2 4 0 8
403 Joints and Connections 1 2 3 2 0 8
404 Road Structure, Process, or Apparatus 2 1 1 4 0 8
440 Marine Propulsion 2 0 2 0 4 8
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 0 5 2 1 8
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 1 3 2 0 8
717 DP: Software Development, Installation, and Management (Data Processing) 1 1 2 1 3 8
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 3 3 1 1 0 8
083 Cutting 1 5 0 0 1 7
108 Horizontally Supported Planar Surfaces 0 2 3 1 1 7
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 1 2 0 4 0 7
209 Classifying, Separating, and Assorting Solids 2 1 2 1 1 7
296 Land Vehicles: Bodies and Tops 0 2 4 0 1 7
333 Wave Transmission Lines and Networks 1 2 1 2 1 7
378 X-Ray or Gamma Ray Systems or Devices 2 0 1 3 1 7
406 Conveyors: Fluid Current 3 1 1 1 1 7
414 Material or Article Handling 1 0 3 0 3 7
419 Powder Metallurgy Processes 1 1 1 2 2 7
423 Chemistry of Inorganic Compounds 2 0 1 3 1 7
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 3 1 1 1 1 7
607 Surgery: Light, Thermal, and Electrical Application 1 0 2 3 1 7
047 Plant Husbandry 0 1 2 2 1 6
055 Gas Separation 1 1 3 1 0 6
081 Tools 1 0 1 2 2 6
084 Music 1 0 2 2 1 6
106 Compositions: Coating or Plastic 1 0 4 1 0 6
110 Furnaces 0 0 3 2 1 6
173 Tool Driving or Impacting 4 1 0 1 0 6
200 Electricity: Circuit Makers and Breakers 0 0 3 1 2 6
228 Metal Fusion Bonding 0 1 2 1 2 6
254 Implements or Apparatus for Applying Pushing or Pulling Force 2 0 1 2 1 6
320 Electricity: Battery or Capacitor Charging or Discharging 1 0 3 1 1 6
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 2 0 3 6
341 Coded Data Generation or Conversion 0 2 1 2 1 6
358 Facsimile and Static Presentation Processing 0 1 3 2 0 6
415 Rotary Kinetic Fluid Motors or Pumps 1 0 4 0 1 6
601 Surgery: Kinesitherapy 1 1 1 2 1 6
708 Arithmetic Processing and Calculating (Electrical Computers) 2 0 0 2 2 6
711 Memory (Electrical Computers and Digital Processing Systems) 2 2 0 1 1 6
065 Glass Manufacturing 0 0 1 2 2 5
092 Expansible Chamber Devices 0 1 3 1 0 5
101 Printing 1 0 3 1 0 5
116 Signals and Indicators 2 3 0 0 0 5
127 Sugar, Starch, and Carbohydrates 1 3 0 1 0 5
181 Acoustics 1 1 0 2 1 5
221 Article Dispensing 1 0 0 2 2 5
290 Prime-Mover Dynamo Plants 0 0 1 2 2 5
292 Closure Fasteners 0 2 0 2 1 5
312 Supports: Cabinet Structure 0 1 0 2 2 5
349 Liquid Crystal Cells, Elements and Systems 2 0 2 1 0 5
360 Dynamic Magnetic Information Storage or Retrieval 1 0 0 3 1 5
368 Horology: Time Measuring Systems or Devices 1 1 2 0 1 5
374 Thermal Measuring and Testing 3 0 0 1 1 5
401 Coating Implements with Material Supply 0 1 1 1 2 5
706 DP: Artificial Intelligence (Data Processing) 0 1 0 3 1 5
049 Movable or Removable Closures 2 1 0 1 0 4
057 Textiles: Spinning, Twisting, and Twining 2 1 0 0 1 4
071 Chemistry: Fertilizers 1 0 0 0 3 4
096 Gas Separation: Apparatus 0 3 0 0 1 4
100 Presses 1 2 1 0 0 4
105 Railway Rolling Stock 1 1 1 1 0 4
138 Pipes and Tubular Conduits 0 1 0 3 0 4
139 Textiles: Weaving 0 1 0 1 2 4
180 Motor Vehicles 0 2 0 1 1 4
194 Check-Actuated Control Mechanisms 0 3 0 1 0 4
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 0 2 0 4
223 Apparel Apparatus 0 0 0 2 2 4
232 Deposit and Collection Receptacles 0 1 1 1 1 4
269 Work Holders 1 2 0 0 1 4
279 Chucks or Sockets 1 0 1 2 0 4
330 Amplifiers 0 0 0 3 1 4
383 Flexible Bags 0 0 1 3 0 4
386 Television Signal Processing for Dynamic Recording or Reproducing 0 2 1 1 0 4
392 Electric Resistance Heating Devices 1 1 0 1 1 4
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 1 0 0 2 4
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 0 0 0 2 4
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 0 1 2 0 4
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 0 2 2 0 4
014 Bridges 0 0 1 2 0 3
024 Buckles, Buttons, Clasps, Etc. 0 1 2 0 0 3
037 Excavating 0 0 1 2 0 3
054 Harness (for animals) 0 0 0 0 3 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 1 2 0 3
082 Turning (e.g., for metal working) 0 2 0 1 0 3
112 Sewing 2 1 0 0 0 3
136 Batteries: Thermoelectric and Photoelectric 1 0 0 2 0 3
144 Woodworking 1 0 1 1 0 3
152 Resilient Tires and Wheels 0 0 1 0 2 3
172 Earth Working 1 1 1 0 0 3
208 Mineral Oils: Processes and Products 0 0 0 0 3 3
227 Elongated-Member-Driving Apparatus 0 0 0 3 0 3
256 Fences 1 0 1 0 1 3
267 Spring Devices 0 0 0 3 0 3
277 Seal for a Joint or Juncture 1 0 0 2 0 3
299 Mining or In Situ Disintegration of Hard Material 0 0 0 2 1 3
336 Inductor Devices 0 0 2 0 1 3
353 Optics: Image Projectors 0 0 1 2 0 3
355 Photocopying 0 0 1 0 2 3
431 Combustion 1 0 0 0 2 3
441 Buoys, Rafts, and Aquatic Devices 1 1 0 1 0 3
501 Compositions: Ceramic 0 1 1 0 1 3
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 1 2 3
588 Hazardous or Toxic Waste Destruction or Containment 2 1 0 0 0 3
066 Textiles: Knitting 1 0 1 0 0 2
068 Textiles: Fluid Treating Apparatus 0 1 1 0 0 2
095 Gas Separation: Processes 0 1 1 0 0 2
109 Safes, Bank Protection, or a Related Device 0 0 0 2 0 2
160 Flexible or Portable Closure, Partition, or Panel 1 0 0 0 1 2
169 Fire Extinguishers 1 0 0 0 1 2
184 Lubrication 0 0 2 0 0 2
202 Distillation: Apparatus 0 0 0 2 0 2
203 Distillation: Processes, Separatory 1 0 0 0 1 2
212 Traversing Hoists 2 0 0 0 0 2
216 Etching a Substrate: Processes 0 0 0 1 1 2
226 Advancing Material of Indeterminate Length 0 0 2 0 0 2
298 Land Vehicles: Dumping 1 0 0 0 1 2
338 Electrical Resistors 0 0 1 0 1 2
408 Cutting by Use of Rotating Axially Moving Tool 1 0 0 1 0 2
410 Freight Accommodation On Freight Carrier 0 1 0 0 1 2
412 Bookbinding: Process and Apparatus 0 1 1 0 0 2
416 Fluid Reaction Surfaces (i.e., Impellers) 2 0 0 0 0 2
420 Alloys or Metallic Compositions 1 1 0 0 0 2
474 Endless Belt Power Transmission Systems or Components 1 1 0 0 0 2
475 Planetary Gear Transmission Systems or Components 0 1 0 1 0 2
476 Friction Gear Transmission Systems or Components 2 0 0 0 0 2
483 Tool Changing 0 2 0 0 0 2
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 1 0 0 0 1 2
585 Chemistry of Hydrocarbon Compounds 0 0 0 1 1 2
012 Boot and Shoe Making 0 0 0 1 0 1
027 Undertaking 0 0 0 1 0 1
028 Textiles: Manufacturing 0 0 0 0 1 1
051 Abrasive Tool Making Process, Material, or Composition 1 0 0 0 0 1
063 Jewelry 0 1 0 0 0 1
076 Metal Tools and Implements, Making 0 0 0 0 1 1
087 Textiles: Braiding, Netting, and Lace Making 0 1 0 0 0 1
104 Railways 0 0 1 0 0 1
122 Liquid Heaters and Vaporizers 0 0 1 0 0 1
125 Stone Working 0 0 1 0 0 1
140 Wireworking 1 0 0 0 0 1
150 Purses, Wallets, and Protective Covers 0 0 0 1 0 1
168 Farriery 1 0 0 0 0 1
177 Weighing Scales 0 0 0 1 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 1 1
201 Distillation: Processes, Thermolytic 0 0 0 1 0 1
217 Wooden Receptacles 0 0 0 1 0 1
225 Severing by Tearing or Breaking 0 0 1 0 0 1
236 Automatic Temperature and Humidity Regulation 1 0 0 0 0 1
237 Heating Systems 0 0 0 1 0 1
249 Static Molds 1 0 0 0 0 1
266 Metallurgical Apparatus 0 0 0 1 0 1
281 Books, Strips, and Leaves 1 0 0 0 0 1
283 Printed Matter 0 0 0 1 0 1
293 Vehicle Fenders 0 1 0 0 0 1
303 Fluid-Pressure and Analogous Brake Systems 0 0 1 0 0 1
322 Electricity: Single Generator Systems 0 0 1 0 0 1
326 Electronic Digital Logic Circuitry 0 0 0 0 1 1
347 Incremental Printing of Symbolic Information 0 0 0 0 1 1
369 Dynamic Information Storage or Retrieval 0 0 0 1 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 0 1 0 0 1
388 Electricity: Motor Control Systems 0 0 0 1 0 1
409 Gear Cutting, Milling, or Planing 0 1 0 0 0 1
413 Sheet Metal Container Making 1 0 0 0 0 1
450 Foundation Garments 0 0 0 0 1 1
452 Butchering 0 0 0 0 1 1
460 Crop Threshing or Separating 0 0 0 1 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 1
472 Amusement Devices 0 1 0 0 0 1
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 0 0 0 1
492 Roll or Roller 0 0 1 0 0 1
494 Imperforate Bowl: Centrifugal Separators 0 0 0 1 0 1
505 Superconductor Technology: Apparatus, Material, Process 0 0 0 1 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 1 1
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 0 1 1
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 0 1 1
ALL ALL CLASSES 859 818 1051 1043 1143 4914



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 30, 2001