Granted Patent
Utility
US 4,209,483 · App. 05/894,300
Method of making a notched transmission belt
Inventor:
Peter H. Batchelar
Patented Case
View Patent ↗
Granted: Jun 24, 1980
Filed: Apr 7, 1978
Inventor
Peter H. Batchelar
Assignee (at issue)
Uniroyal Ltd.
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.