Granted Patent
Utility
US 4,583,963 · App. 06/691,240
Belt construction having enhanced tooth strength
Inventors:
Richard L. Marsh, Robert E. Wetzel
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Jan 14, 1985
Inventors
Richard L. Marsh
Robert E. Wetzel
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.