Granted Patent
Utility
US 5,155,203 · App. 07/413,154
Poly (ether-ketone)
Inventors:
W. Ronald Darnell, Winston J. Jackson, Jr.
Patented Case
View Patent ↗
Granted: Oct 13, 1992
Filed: Sep 27, 1989
Inventors
W. Ronald Darnell
Winston J. Jackson, Jr.
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.