Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1990-10-04
1992-12-08
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03315479
REFERENCES:
patent: D225379 (1972-12-01), Gallagher et al.
patent: D226037 (1973-01-01), Cannon et al.
patent: D235629 (1975-07-01), Steele
patent: D271671 (1983-12-01), Thornton, Jr.
patent: D276417 (1984-11-01), Fenne
patent: D319798 (1991-09-01), Hatano
Goto Kazuyuki
Ogawa Akio
Burke Wallace R.
Jackson Marcus
Nittan Co., Ltd.
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