IP Library › Granted Patent US 3,935,392
Granted Patent Utility
US 3,935,392 · App. 05/434,013

Dial pulse detection method and apparatus

Inventors: Lloyd M. Smith, Robert E. Webb
Patented Case View Patent ↗
Granted: Jan 27, 1976 Filed: Jan 17, 1974
Inventors
Lloyd M. Smith
Robert E. Webb

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Quick Facts
Patent No.
US 3,935,392
App. No.
05/434,013
Filed
1974-01-17
Granted
1976-01-27
Kind
A