Granted Patent
Utility
US 4,393,965 · App. 06/206,644
Rotary actuator
Inventor:
John Zouzoulas
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Nov 13, 1980
Inventor
John Zouzoulas
Assignee (at issue)
Andco Actuator Products, Inc.
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.