IP Library › Granted Patent US 5,345,856
Granted Patent Utility
US 5,345,856 · App. 08/025,173

Valve positioner having adjustable gain

Inventor: Christopher Hamilton Willoughby
Patented Case View Patent ↗
Granted: Sep 13, 1994 Filed: Mar 2, 1993
Inventor
Christopher Hamilton Willoughby
Assignee (at issue)
Automax, Inc.

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Quick Facts
Patent No.
US 5,345,856
App. No.
08/025,173
Filed
1993-03-02
Granted
1994-09-13
Kind
A