Granted Patent
Utility
US 4,012,962 · App. 05/667,235
Endless power transmission belt structure
Inventors:
David G. Ballou, Clinton L. Bishop, Toby K. Pope
Patented Case
View Patent ↗
Granted: Mar 22, 1977
Filed: Mar 15, 1976
Inventors
David G. Ballou
Clinton L. Bishop
Toby K. Pope
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.