Granted Patent
Utility
US 4,379,877 · App. 06/314,648
Fire retardant thermoplastic molding compositions
Inventor:
Usama E. Younes
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Oct 26, 1981
Inventor
Usama E. Younes
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.