Granted Patent
Utility
US 4,444,952 · App. 06/410,743
Thermoplastic molding composition
Inventors:
Stewart Carl Feinberg, Harold L. Nicholson
Patented Case
View Patent ↗
Granted: Apr 24, 1984
Filed: Aug 23, 1982
Inventors
Stewart Carl Feinberg
Harold L. Nicholson
Assignee (at issue)
Atlantic Richfield 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.