Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1978-12-04
1981-03-17
Stallard, W.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
D1006
Patent
active
D02585774
REFERENCES:
patent: D246289 (1977-11-01), Boucher
GTE Products Corporation
Stallard W.
Xiarhos Peter
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