Granted Patent
Utility
US 5,231,159 · App. 07/807,975
High temperature resistant molded elastomer
Inventors:
Philip M. Patterson, Richard L. Watkins
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Dec 16, 1991
Inventors
Philip M. Patterson
Richard L. Watkins
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.