Granted Patent
Utility
US 4,985,010 · App. 07/461,149
Belt tensioner and method of making the same
Inventor:
Dewey D. Henderson
Patented Case
View Patent ↗
Granted: Jan 15, 1991
Filed: Jan 4, 1990
Inventor
Dewey D. Henderson
Assignee (at issue)
Dayco Products, LLC
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.