Granted Patent
Utility
US 4,243,576 · App. 06/026,149
Blends of ethylene-vinyl acetate copolymer rubbers with elastomers
Inventors:
Joseph Fischer, John M. Hoyt
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Apr 2, 1979
Inventors
Joseph Fischer
John M. Hoyt
Assignee (at issue)
National Distillers and Chemical Corporation
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.