Granted Patent
Utility
US 4,353,022 · App. 06/113,058
Torque reversing motor control structure and method
Inventor:
Richard A. Young
Patented Case
View Patent ↗
Granted: Oct 5, 1982
Filed: Jan 17, 1980
Inventor
Richard A. Young
Assignee (at issue)
The Ceco 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.