Granted Patent
Utility
US 4,244,847 · App. 05/932,578
Fibrated admix or polymer and process therefore
Inventors:
Richard W. Posiviata, Jonathan A. Johnston
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Aug 10, 1978
Inventors
Richard W. Posiviata
Jonathan 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.