Granted Patent
Utility
US 4,509,935 · App. 06/296,697
Belt tensioner and method of making the same
Inventors:
Randy C. Foster, Roger G. Hackard, Leslie B. Wilson
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Aug 27, 1981
Inventors
Randy C. Foster
Roger G. Hackard
Leslie B. Wilson
Assignee (at issue)
DayCo Holdings, LP
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.