Granted Patent
Utility
US 4,560,967 · App. 06/596,490
Force motor
Inventor:
Charles T. Lindsey
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Apr 4, 1984
Inventor
Charles T. Lindsey
Assignee (at issue)
Parker-Hannifin Corporation
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.