Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1988-03-10
1990-07-03
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03089479
REFERENCES:
patent: D225379 (1972-12-01), Gallagher
patent: D260975 (1981-09-01), Nam
patent: D271671 (1983-12-01), Thornton, Jr.
patent: D284748 (1986-07-01), Fenne
Burke Wallace R.
Jackson Marcus
Seatt Corporation
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