Granted Patent
Utility
US 4,392,556 · App. 06/175,419
Actuator locking device
Inventor:
Edward J. Deutsch
Patented Case
View Patent ↗
Granted: Jul 12, 1983
Filed: Aug 5, 1980
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.