Granted Patent
Utility
US 4,532,061 · App. 06/530,335
Grafted polyalphaolefin polymers, method for its production and oils containing it
Inventors:
Frederick C. Loveless, David J. Smudin
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Sep 8, 1983
Inventors
Frederick C. Loveless
David J. Smudin
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.