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Joseph Federico
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Berkeley Heights, NJ, US
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last 30 patents
Information
Patent Grant
Telautograph system
Patent number
4,631,355
Issue date
Dec 23, 1986
AT&T Bell Laboratories
Joseph Federico
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Two-terminal transistor rectifier circuit arrangement
Patent number
4,519,024
Issue date
May 21, 1985
AT&T Bell Laboratories
Joseph Federico
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus for determining the location of faults in a transmission...
Patent number
4,440,985
Issue date
Apr 3, 1984
Bell Telephone Laboratories, Incorporated
Joseph Federico
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
DC-to-DC Converters utilizing FET devices
Patent number
4,349,776
Issue date
Sep 14, 1982
Bell Telephone Laboratories, Incorporated
Joseph Federico
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Optically actuated bidirectional semiconductor switch
Patent number
4,137,428
Issue date
Jan 30, 1979
Bell Telephone Laboratories, Incorporated
Joseph Federico
H03 - BASIC ELECTRONIC CIRCUITRY