Granted Patent
Utility
US 3,975,965 · App. 05/591,206
Belt tensioning apparatus
Inventor:
Billy L. Speer
Patented Case
View Patent ↗
Granted: Aug 24, 1976
Filed: Jun 27, 1975
Inventor
Billy L. Speer
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.