Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1991-12-16
1993-12-14
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03422135
REFERENCES:
patent: D271671 (1983-12-01), Thornton, Jr.
patent: D279769 (1985-07-01), Thornton, Jr. et al.
patent: D297219 (1988-08-01), Taylor
patent: 3226703 (1965-12-01), Finkle
patent: 4236822 (1980-12-01), Jaretsky et al.
Burke Wallace R.
Cerberus AG
Jackson Marcus
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