Granted Patent
Utility
US 4,808,148 · App. 07/176,915
Temperature compensated self-tensioning idler pulley
Inventor:
Glen D. Holtz
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Apr 4, 1988
Inventor
Glen D. Holtz
Assignee (at issue)
Federal-Mogul LLC
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.