Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1991-04-02
1993-06-08
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
D10 2
Patent
active
D03362604
REFERENCES:
patent: D143106 (1945-12-01), Abramson
patent: D268502 (1983-04-01), Wong
patent: D273785 (1984-05-01), Davidson
patent: D312054 (1990-11-01), Melman
patent: D318471 (1991-07-01), Wada
patent: 1909362 (1933-05-01), Keith
patent: 4490932 (1985-01-01), McIntire
Burke Wallace R.
Jackson Marcus
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