Granted Patent
Utility
US 4,240,332 · App. 05/936,788
Fluid operated locking actuator
Inventor:
Edward J. Deutsch
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Aug 25, 1978
Inventor
Edward J. Deutsch
Assignee (at issue)
Arkwin Industries Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.