Granted Patent
Utility
US 4,696,972 · App. 06/718,588
Polymeric molding composition containing styrenic copolymer, polycarbonate and MBS polymer
Inventor:
Larry G. Bourland
Patented Case
View Patent ↗
Granted: Sep 29, 1987
Filed: Apr 1, 1985
Inventor
Larry G. Bourland
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.