Granted Patent
Utility
US 5,187,216 · App. 07/687,132
Process for the preparation of crystalline copolyesters
Inventors:
Michael L. Cassell, Waylon L. Jenkins, Gerry Foust Rhodes
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Apr 18, 1991
Inventors
Michael L. Cassell
Waylon L. Jenkins
Gerry Foust Rhodes
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.