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Valvcon Corporation
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Milford, NH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Rotary electric actuator with a mechanical spring return back-up
Patent number
6,431,317
Issue date
Aug 13, 2002
Valvcon Corporation
Thomas Edward Coe
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
75624819 - VALVCON
Serial number
75624819
Registration number
2314430
Filing date
Jan 21, 1999
VALVCON CORPORATION
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments