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Barry Cameron Breen
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Redmond, WA, US
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last 30 patents
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Patent Grant
Two-link intercom system
Patent number
4,130,737
Issue date
Dec 19, 1978
Melco
Barry C. Breen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Multiple link circuit for a port multiplexer
Patent number
4,009,352
Issue date
Feb 22, 1977
Tel-Tone Corporation
Barry C. Breen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Port multiplexer for telephone signal processing systems
Patent number
3,946,163
Issue date
Mar 23, 1976
Tel-Tone Corporation
Daniel Richard Asmussen
H04 - ELECTRIC COMMUNICATION TECHNIQUE