Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1992-02-11
1993-08-31
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03388441
REFERENCES:
patent: D260008 (1981-07-01), Wistrand
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patent: D307273 (1990-04-01), Carlile
patent: D307739 (1990-05-01), Grant
patent: D310219 (1990-08-01), Carlile
patent: D311349 (1990-10-01), Walsh
patent: D318246 (1991-07-01), Schwartz
patent: D332756 (1993-01-01), Taylor
patent: 4418337 (1983-11-01), Bader
Adriaansen David L.
Matt Brian J.
Privitera David J.
Savio Vincent J.
Burke Wallace R.
Jackson Marcus
Lifeline Systems Inc.
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