Granted Patent
Utility
US 5,098,346 · App. 07/509,009
Sprocket
Inventor:
John Redmond
Patented Case
View Patent ↗
Granted: Mar 24, 1992
Filed: Apr 13, 1990
Inventor
John Redmond
Assignee (at issue)
The Gates Rubber Company
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.