Granted Patent
Utility
US 4,765,197 · App. 06/826,169
Spacer for transmission shaft
Inventor:
James A. Yarnell
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Feb 6, 1986
Inventor
James A. Yarnell
Assignee (at issue)
DANA 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.