Granted Patent
Utility
US 6,609,990 · App. 09/908,235
Power transmission belt and method
Inventor:
Craig Kopang
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jul 18, 2001
Inventor
Craig Kopang
Assignee (at issue)
Gates 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.