Granted Patent
Utility
US 4,869,708 · App. 07/181,994
Sprocket retention/chain guide assembly
Inventors:
Peter Hoffmann, Franklin R. Smith
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Apr 15, 1988
Inventors
Peter Hoffmann
Franklin R. Smith
Assignee (at issue)
Borg-Warner Transmission and Engine Components Corporation
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.