John R. Celli

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Long Branch, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone conferencing arrangement
- Patent number 5,020,098
- Issue date May 28, 1991
- AT&T Bell Laboratories
- John R. Celli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Asynchronous addressable electronic key telephone system
- Patent number 4,740,957
- Issue date Apr 26, 1988
- American Telephone and Telegraph Company
- Ronald S. Cassidy
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise detector for frequency modulation systems
- Patent number 4,228,320
- Issue date Oct 14, 1980
- Bell Telephone Laboratories, Incorporated
- John R. Celli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR DRIVING A LIGHT EMITTING DIODE STROBE
- Publication number 20130193865
- Publication date Aug 1, 2013
- Joseph Rudy Keller
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR