Granted Patent
Utility
US 4,323,655 · App. 06/235,355
Rubber-modified fire-retardant anhydride copolymers
Inventors:
Adolph V. DiGiulio, Jack N. Bauer
Patented Case
View Patent ↗
Granted: Apr 6, 1982
Filed: Feb 17, 1981
Inventors
Adolph V. DiGiulio
Jack N. Bauer
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.