Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Electrical property
Patent
1991-07-26
1993-08-17
Douglas, Alan P.
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Electrical property
D10 81
Patent
active
D03384179
REFERENCES:
patent: D225005 (1972-10-01), Greene
patent: D321488 (1991-11-01), Sierra et al.
patent: 3617136 (1971-11-01), Lyshkow
patent: 3923399 (1975-12-01), Brumley
patent: 3994590 (1976-11-01), Di Martini et al.
patent: 4076421 (1978-02-01), Kishner
patent: 4917495 (1990-04-01), Steenhock
patent: 4968143 (1990-11-01), Weston
patent: 5083868 (1992-01-01), Anderson
Corrado Joseph
Garde Kenneth
Kravetz Alan
Van Aken Harold
Weber William
Davis A. D.
Douglas Alan P.
Kollmorgen Corporation
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