Granted Patent
Utility
US 5,032,749 · App. 07/470,617
Electric motor
Inventor:
Thomas W. Stone
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Jan 26, 1990
Inventor
Thomas W. Stone
Assignee (at issue)
Magnetek Universal Electric
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.