Granted Patent
Utility
US 4,471,092 · App. 06/471,964
Impact resistant polymer with improved flow characteristics
Inventor:
Paul G. Andersen
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Mar 3, 1983
Inventor
Paul G. Andersen
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.