Granted Patent
Utility
US 4,348,459 · App. 06/205,226
Thermoplastic elastomer and electrical article insulated therewith
Inventors:
Robert S. Drzal, Charles D. Shedd
Patented Case
View Patent ↗
Granted: Sep 7, 1982
Filed: Nov 10, 1980
Inventors
Robert S. Drzal
Charles D. Shedd
Assignee (at issue)
Uniroyal Ltd.
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.