Granted Patent
Utility
US 4,581,597 · App. 06/570,513
Electromagnetic actuator
Inventor:
Omar C. Walley
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Jan 13, 1984
Inventor
Omar C. Walley
Assignee (at issue)
Figgie Inernational 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.