Granted Patent
Utility
US 4,716,327 · App. 06/927,521
Electric motor bearing
Inventor:
Thomas W. Stone
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Nov 5, 1986
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.