Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1995-01-30
1995-11-14
Word, A. Hugo
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03641082
REFERENCES:
patent: D246635 (1977-12-01), Boldt et al.
patent: D262868 (1982-02-01), Westphal
patent: D275187 (1984-08-01), Skarman
patent: D279769 (1985-07-01), Thornton et al.
patent: D283407 (1986-04-01), Fenne
patent: D284748 (1986-07-01), Fenne
patent: D297222 (1988-08-01), Rauch
patent: D306409 (1990-03-01), Fish
patent: D346981 (1994-05-01), Ratzlaff
Jackson Marcus
Rose Howard L.
Universal Security Instruments Inc.
Word A. Hugo
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