Granted Patent
Utility
US 4,758,491 · App. 07/069,729
Dry toner and developer composition
Inventors:
Peter S. Alexandrovich, Paul Alan Hartley, Joseph A. Pavlisko
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Jul 6, 1987
Inventors
Peter S. Alexandrovich
Paul Alan Hartley
Joseph A. Pavlisko
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.