Granted Patent
Utility
US 5,921,879 · App. 08/992,306
Random engagement roller chain sprocket with staged meshing and flank relief to provide improved noise characteristics
Inventor:
James D. Young
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Dec 17, 1997
Inventor
James D. Young
Assignee (at issue)
Cloyes Gear and Products, 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.