Granted Patent
Utility
US 4,661,087 · App. 06/827,572
Method of making a belt tensioner having a biased annular pad of friction material for dampening purposes
Inventor:
Dewey D. Henderson
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Feb 7, 1986
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.