Granted Patent
Utility
US 4,316,971 · App. 06/040,784
Modified monoolefin copolymer elastomer with improved heat and oil resistance
Inventors:
Yong S. Rim, John A. Davison, Walter Nudenberg
Patented Case
View Patent ↗
Granted: Feb 23, 1982
Filed: May 21, 1979
Inventors
Yong S. Rim
John A. Davison
Walter Nudenberg
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.