Measuring – testing – or signalling instruments – Security or signal instrument or casing – Visual
Patent
1990-08-27
1992-06-16
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Visual
Patent
active
D03270297
REFERENCES:
patent: D185428 (1959-06-01), Edgar
patent: D229355 (1973-11-01), Rausch
patent: D254658 (1980-04-01), Wagner
patent: 3697738 (1972-10-01), Decker et al.
patent: 3981263 (1976-09-01), Capucio
patent: 4447802 (1984-05-01), Bose
patent: 4455055 (1984-06-01), Neesbye-Hansen
patent: 4668120 (1987-05-01), Roberts
patent: 4736186 (1988-04-01), Jones
patent: 4864299 (1989-06-01), Kuhl
Construction Methods Jul. 1959 p. 212 middle of page--Flasher.
Burke Wallace R.
Gernstein Terry M.
Jackson Marcus
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