Granted Patent
Utility
US 4,464,496 · App. 06/362,221
Non-yellowing polymer composition
Inventors:
Thomas L. Nemzek, Brendan J. Geelan
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Mar 26, 1982
Inventors
Thomas L. Nemzek
Brendan J. Geelan
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.