Granted Patent
Utility
US 4,239,566 · App. 06/090,216
Method of forming a round self orienting power transmission belt with a triangular core
Inventor:
Anderson W. Howerton
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: Nov 1, 1979
Inventor
Anderson W. Howerton
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.