Granted Patent
Utility
US 4,274,041 · App. 05/924,265
Voltage commanded stepping motor control circuit
Inventor:
Edward F. Mosel
Patented Case
View Patent ↗
Granted: Jun 16, 1981
Filed: Jul 13, 1978
Inventor
Edward F. Mosel
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.