Granted Patent
Utility
US 4,645,479 · App. 06/328,319
Metal transmission belt
Inventors:
Paul M. Bateman, John C. Warner
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Dec 7, 1981
Inventors
Paul M. Bateman
John C. Warner
Assignee (at issue)
BorgWarner Inc.
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.