Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1984-08-13
1986-05-06
Bullock, B. J.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
D10116
Patent
active
D02836840
REFERENCES:
patent: 3015311 (1962-01-01), Rubin
patent: 3171109 (1965-02-01), Appel
patent: 4358760 (1982-11-01), Palmer
patent: 4484181 (1984-11-01), Schwartz
New Equip. Digest, 4/1978, p. 98, Quic-Alert rescue alarm, middle of page.
Bullock B. J.
Gitlin Suzanne N.
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