Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1992-07-29
1995-09-12
Gandy, James M.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Patent
active
D03622002
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patent: 2762328 (1956-09-01), Weig
patent: 3386409 (1968-06-01), Dawson
patent: 3916816 (1975-11-01), Fitch
patent: 4253085 (1981-02-01), Hughes et al.
patent: 4772869 (1988-09-01), Grammas et al.
patent: 4979461 (1990-12-01), Provence, Jr.
Gandy James M.
Jackson Marcus
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