Measuring – testing – or signalling instruments – Security or signal instrument or casing – Alarm or control thereof
Patent
1992-10-19
1994-02-22
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Alarm or control thereof
Patent
active
D03444660
REFERENCES:
patent: D258365 (1981-02-01), Clary et al.
patent: D264826 (1982-06-01), Conforti et al.
patent: D273581 (1984-04-01), Rosenbaum et al.
patent: D276224 (1984-11-01), Goodin et al.
patent: D310791 (1990-09-01), Farrell et al.
patent: 2568342 (1951-09-01), Koehler
patent: 4641127 (1987-02-01), Hogan
patent: 4672653 (1987-06-01), Loveless
Caldwell Evaline L.
Caldwell Gary
Burke Wallace R.
Gernstein Terry M.
Jackson Marcus
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