Granted Patent
Utility
US 4,295,083 · App. 06/054,311
Pulsed energy stepping motor power control unit
Inventor:
Albert C. Leenhouts
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Jul 2, 1979
Inventor
Albert C. Leenhouts
Assignee (at issue)
Superior Electron, LLC
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.