Granted Patent
Utility
US 4,634,408 · App. 06/842,099
Belt tensioner, part therefor and methods of making the same
Inventor:
Randy C. Foster
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Mar 20, 1986
Inventor
Randy C. Foster
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.