Granted Patent
Utility
US 4,983,668 · App. 07/125,316
Polymer partculates for molding and the like
Inventors:
Louis A. Cutter, Richard A. Ganger, John J. Godfrey
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Nov 25, 1987
Inventors
Louis A. Cutter
Richard A. Ganger
John J. Godfrey
Assignee (at issue)
Aristech Chemical Company
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.