Granted Patent
Utility
US 4,454,236 · App. 06/281,154
Belt tensioner and method of making same
Inventors:
Randy C. Foster, Melvin D. Gayer
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Jul 7, 1981
Inventors
Randy C. Foster
Melvin D. Gayer
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.