Granted Patent
Utility
US 4,031,169 · App. 05/612,419
Thermoplastic elastomeric polymer blend
Inventor:
Harris L. Morris
Patented Case
View Patent ↗
Granted: Jun 21, 1977
Filed: Sep 11, 1975
Inventor
Harris L. Morris
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.