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Richard H. Frenkiel
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Englishtown, NJ, US
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last 30 patents
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Patent Grant
Arrangement and method for selecting an available communication cha...
Patent number
5,044,010
Issue date
Aug 27, 1991
AT&T Bell Laboratories
Richard Frenkiel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Cellular radiotelephone system structured for flexible use of diffe...
Patent number
4,144,411
Issue date
Mar 13, 1979
Bell Telephone Laboratories, Incorporated
Richard H. Frenkiel
H04 - ELECTRIC COMMUNICATION TECHNIQUE