Granted Patent
Utility
US 4,355,994 · App. 06/147,431
Covered V-belt having reduced coefficient of friction sides and method of making the same
Inventor:
James K. Brew
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: May 6, 1980
Inventor
James K. Brew
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.