Granted Patent
Utility
US 4,604,940 · App. 06/707,111
Highly resilient polyurethane elastomer
Inventors:
Morris A. Mendelsohn, Francis W. Navish, Jr.
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Feb 28, 1985
Inventors
Morris A. Mendelsohn
Francis W. Navish, Jr.
Assignee (at issue)
Westinghouse Electric Company LLC
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.