Granted Patent
Utility
US 4,582,876 · App. 06/648,997
High-impact polyester/styrene-maleic anhydride copolymer blends
Inventors:
Doyle A. Weemes, Robert W. Seymour
Patented Case
View Patent ↗
Granted: Apr 15, 1986
Filed: Sep 10, 1984
Inventors
Doyle A. Weemes
Robert W. Seymour
Assignee (at issue)
EASTMAN KODAK 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.