Granted Patent
Utility
US 4,424,049 · App. 06/408,299
Power transmission belt with drive blocks
Inventor:
Kenneth A. Braybrook
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Aug 16, 1982
Inventor
Kenneth A. Braybrook
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.