IP Library Granted Patent US 4,872,425
Granted Patent Utility
US 4,872,425 · App. 07/294,730

Air powered valve actuator

Inventors: William E. Richeson, Frederick L. Erickson
Patented Case View Patent ↗
Granted: Oct 10, 1989 Filed: Jan 6, 1989
Inventors
William E. Richeson
Frederick L. Erickson
Assignee (at issue)
Magnavox Government and Industrial Electronics Company

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Quick Facts
Patent No.
US 4,872,425
App. No.
07/294,730
Filed
1989-01-06
Granted
1989-10-10
Kind
A