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Class Number Class Name Patents
705 Data processing: financial, business practice, management, or cost/price determination 103,258
434 Education and demonstration 22,839
902 Electronic funds transfer 3,059
186 Merchandising 810
D99 Miscellaneous 2,403
355 Photocopying 28,411
D18 Printing and office machinery 9,936
109 Safes, bank protection, or a related device 2,742
D20 Sales and advertising equipment 5,603
177 Weighing scales 9,892
  Recently Added Patents
Forming agent for gate insulating film of thin film transistor
LCD driving circuit in which shift register units are driven by a first clock signal of fixed duty/amplitude and a second clock signal of variable duty/amplitude
Combined high and low frequency stimulation therapy
Process for making thermoplastic polymer pellets
Flat display panel and method for forming the same
Fuel cell system with mechanical check valve
System and method for combining different tablets into a pouch
  Randomly Featured Patents
Semiconductor device and method of fabricating the same
Process for producing of an aminoalkylsulfonic acid and a method of salt exchange for a salt thereof
Frame of bicycle saddle
Directional coupler
Isolator/circulator having propeller resonator loaded with a plurality of symmetric magnetic walls
Fibrinogen-based tissue adhesive containing an elastase inhibitor
Concatenated light pipe
Hydrous toothpaste containing TiF.sub.4 and chelating agent
Coaxial hose assembly and method of making same
Packaging a strip of material with compression to reduce volume