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Paul E. Brefka
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Southborough, MA, US
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last 30 patents
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Patent Grant
Home communicator for a personal emergency response system
Patent number
D313363
Issue date
Jan 1, 1991
Lifeline Systems, Inc.
Richard M. Reich
D10 - Measuring, testing, or signalling instruments
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Patent Grant
Cathode ray tube monitor
Patent number
D310357
Issue date
Sep 4, 1990
Computer Sports Systems, Inc.
Paul E. Brefka
D14 - Recording, communication, or information retrieval equipment