Granted Patent
Utility
US 5,091,464 · App. 07/629,826
Polymer compositions having improved molding characteristics
Inventors:
Paul J. Huspeni, Richard Layton, Paul D. Frayer
Patented Case
View Patent ↗
Granted: Feb 25, 1992
Filed: Dec 19, 1990
Inventors
Paul J. Huspeni
Richard Layton
Paul D. Frayer
Assignee (at issue)
Amoco Corporation
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.