Granted Patent
Utility
US 5,112,282 · App. 07/633,510
High temperature polyurethane belt
Inventor:
Philip M. Patterson
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Dec 27, 1990
Inventor
Philip M. Patterson
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.