Granted Patent
Utility
US 4,516,964 · App. 06/497,479
Power transmission chain-belt
Inventor:
Walter Ray Laster
Patented Case
View Patent ↗
Granted: May 14, 1985
Filed: May 23, 1983
Inventor
Walter Ray Laster
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.