US patent class 455: telecommunications [detailed definition]
Topics include: telephones, radio and other wireless transmissions, transmitters and receivers, relays and content filters, signal converters, …
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8 months ago |
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5 times |
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8 months ago |
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1 |
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Microsoft have submitted a patent for a whack to silence a phone ringer. How similar does prior art have to be?Microsoft have submitted a patent for a whack to silence a phone ringer. How similar does prior art have to be?
Microsoft have submitted a patent for a whack to silence a phone ringer. How similar does prior art have to be?
Microsoft have submitted a patent for a whack to silence a phone ringer. How similar does prior art have to be?
Microsoft have submitted a patent for a whack to silence a phone ringer. How similar does prior art have to be?
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