Granted Patent
Utility
US 4,786,713 · App. 07/117,722
Copoly(arylene sulfidex-disulfide)
Inventors:
Mark Rule, David R. Fagerburg, Joseph J. Watkins, Jerry Steven Fauver
Patented Case
View Patent ↗
Granted: Nov 22, 1988
Filed: Nov 6, 1987
Inventors
Mark Rule
David R. Fagerburg
Joseph J. Watkins
Jerry Steven Fauver
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.