Smoke alarm

Details Smoke alarm Smoke alarm

1992-01-27

1993-11-16

Burke, Wallace R.

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Alarm or control thereof

D11124

Patent

active

D03413314

REFERENCES:
patent: D245322 (1977-08-01), White
patent: D246578 (1977-12-01), White
patent: D247163 (1978-02-01), White
patent: D329393 (1992-09-01), Hawkins
patent: D330172 (1992-10-01), Rihm
patent: 2522020 (1950-09-01), Deyo
patent: 3943499 (1976-03-01), Dunphy
patent: 4525703 (1985-06-01), Bellino
patent: 4623878 (1986-11-01), Schoenwetter
patent: 4796015 (1989-01-01), Admire, Jr.
patent: 4904988 (1990-02-01), Nesbitt
patent: 4954816 (1990-09-01), Mattison

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