Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1990-07-12
1992-12-08
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
D13147
Patent
active
D03315460
REFERENCES:
patent: D245185 (1977-07-01), Obuch
patent: D264711 (1982-06-01), Ford
patent: D302951 (1989-08-01), Kotlicki et al.
patent: D307874 (1990-03-01), Mallory
patent: D314160 (1991-01-01), Schwartz
Burke Wallace R.
Gernstein Terry M.
Jackson Marcus
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