Granted Patent
Utility
US 4,386,922 · App. 06/346,813
Power transmission chain belt
Inventor:
John S. Ivey
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Feb 8, 1982
Inventor
John S. Ivey
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.