Granted Patent
Utility
US 6,179,741 · App. 09/383,128
Random engagement roller chain sprocket with cushion rings and root relief for improved noise characteristics
Inventor:
James D. Young
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Aug 25, 1999
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.