Granted Patent
Utility
US 4,853,427 · App. 06/909,157
Composition and method to process polymers including ultrahigh molecular weight polyethylene
Inventors:
Joris F. Herten, Bernard Daniel Louies
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Sep 19, 1986
Inventors
Joris F. Herten
Bernard Daniel Louies
Assignee (at issue)
AlliedSignal, Inc.
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.