Granted Patent
Utility
US 4,504,754 · App. 06/425,415
Electric motor
Inventor:
Thomas W. Stone
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Sep 28, 1982
Inventor
Thomas W. Stone
Assignee (at issue)
Universal Electric 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.