Granted Patent
Utility
US 4,990,125 · App. 07/464,059
Flat belt, belt drive, and method
Inventors:
Robert E. Stuemky, Jon A. Johnston
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Jan 12, 1990
Inventors
Robert E. Stuemky
Jon A. Johnston
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.