Granted Patent
Utility
US 4,327,198 · App. 06/257,446
Polymeric molding compositions having the high impact strength
Inventors:
Doyle A. Weemes, Robert W. Seymour
Patented Case
View Patent ↗
Granted: Apr 27, 1982
Filed: Apr 24, 1981
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.