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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications









Class Number Class Name Patents
181 Acoustics 22,408
367 Communications, electrical: acoustic wave systems and devices 22,374
342 Communications: directive radio wave systems and devices (e.g., radar, radio navigation) 56,274
340 Communications: electrical 192,959
343 Communications: radio wave antennas 45,465
329 Demodulators 4,438
358 Facsimile and static presentation processing 106,019
D10 Measuring, testing, or signalling instruments 26,305
370 Multiplex communications 269,680
398 Optical communications 48,758
331 Oscillators 35,101
375 Pulse or digital communications 143,467
346 Recorders 6,169
D14 Recording, communication, or information retrieval equipment 59,996
116 Signals and indicators 11,494
455 Telecommunications 280,962
178 Telegraphy 6,243
379 Telephonic communications 107,614
386 Television signal processing for dynamic recording or reproducing 30,747
334 Tuners 817
 
 
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