Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1986-09-23
1989-08-22
Lucas, Susan J.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03029522
REFERENCES:
patent: D261740 (1981-11-01), Lederer
patent: D275464 (1984-09-01), Beeson et al.
patent: D277652 (1985-02-01), Kahl, Jr. et al.
patent: D286383 (1986-10-01), Kotlicki et al.
patent: 4604524 (1986-08-01), Kotlicki et al.
Farrell Richard
Soloway Richard
Lucas Susan J.
Napco Security Systems, Inc.
Plevy Arthur L.
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