Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1987-05-18
1990-10-30
Gandy, James M.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03117030
REFERENCES:
patent: D204916 (1966-05-01), Blevins
patent: D235629 (1975-07-01), Steele
patent: D271287 (1983-11-01), Fenne
patent: D271572 (1983-11-01), Creelman
patent: D271670 (1983-12-01), Takai et al.
patent: D271671 (1983-12-01), Thornton, Jr.
patent: D273952 (1984-05-01), Stansbury, Jr. et al.
patent: 4315594 (1982-02-01), Niederost
patent: 4823118 (1989-04-01), Suzuki et al.
Gandy James M.
Jackson Marcus
Pittway Corporation
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