Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Design Patent
2003-03-04
2004-04-20
Davis, Antoine Duval (Department: 2913)
Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Volume, flow or rate
Design Patent
active
D0488735
CLAIM:
The ornamental design for a combination pressure switch and gage, as shown and described.
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patent: 6089098 (2000-07-01), Tylisz et al.
patent: D429655 (2000-08-01), Cowan et al.
Heuer Daniel A.
Krueger Ronald R.
Palmer Brian L.
Barnes & Thornburg
Davis Antoine Duval
Dwyer Instruments, Inc.
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