Granted Patent
Utility
US 4,728,548 · App. 07/012,928
Polyamide compositions
Inventor:
Burns Davis
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Feb 9, 1987
Inventor
Burns Davis
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.