Granted Patent
Utility
US 4,938,734 · App. 07/403,537
Belt tensioner and method of making the same
Inventors:
Nancy M. Green, Mark P. Foley
Patented Case
View Patent ↗
Granted: Jul 3, 1990
Filed: Sep 6, 1989
Inventors
Nancy M. Green
Mark P. Foley
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.