Granted Patent
Utility
US 4,783,173 · App. 07/113,542
Combined washer and collar for supporting a motor
Inventor:
Robert L. Artin
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Oct 26, 1987
Inventor
Robert L. Artin
Assignee (at issue)
Sunbeam Corporation Limited
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.