Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1997-07-21
1998-07-14
Jackson, Marcus A.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
1005
Patent
active
D03960153
REFERENCES:
patent: D294562 (1988-03-01), Chao
patent: D367533 (1996-02-01), Pinchuk
patent: 2910679 (1959-10-01), Baldwin
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