Granted Patent
Utility
US 4,501,879 · App. 06/593,057
Polyesteramides and containers having improved gas barrier properties formed therefrom
Inventors:
Robert B. Barbee, Roy K. Bass, Burns Davis, Larry A. Minnick
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Mar 26, 1984
Inventors
Robert B. Barbee
Roy K. Bass
Burns Davis
Larry A. Minnick
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.