Granted Patent
Utility
US 5,372,864 · App. 08/116,419
Toners for polyesters
Inventors:
Max A. Weaver, Wayne P. Pruett, Gerry Foust Rhodes, Samuel D. Hilbert, William W. Parham
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Sep 3, 1993
Inventors
Max A. Weaver
Wayne P. Pruett
Gerry Foust Rhodes
Samuel D. Hilbert
William W. Parham
Assignee (at issue)
Eastman Chemical 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.