Granted Patent
Utility
US 4,225,500 · App. 06/027,874
Novel polymeric compositions for footwear tread members containing a halogenated polyethylene and a block copolymer
Inventor:
Charles Newton
Patented Case
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Granted: Sep 30, 1980
Filed: Apr 6, 1979
Inventor
Charles Newton
Assignee (at issue)
USM Holding AG
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.