Granted Patent
Utility
US 4,723,934 · App. 06/924,437
Belt tensioner
Inventor:
Henry W. Thomey
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Oct 29, 1986
Inventor
Henry W. Thomey
Assignee (at issue)
Dyneer Corporation
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.