Granted Patent
Utility
US 4,493,955 · App. 06/486,203
Control mechanism for an electric motor assembly
Inventor:
Charles D. Wielgus
Patented Case
View Patent ↗
Granted: Jan 15, 1985
Filed: Apr 18, 1983
Inventor
Charles D. Wielgus
Assignee (at issue)
Colman OEM, 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.