Granted Patent
Utility
US 4,322,502 · App. 06/186,099
Simultaneous expansion and cure of polyester resin composition
Inventors:
Paul E. Stott, Edward L. Wheeler
Patented Case
View Patent ↗
Granted: Mar 30, 1982
Filed: Sep 11, 1980
Inventors
Paul E. Stott
Edward L. Wheeler
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.