Granted Patent
Utility
US 4,869,992 · App. 07/212,469
Mixed polymer toner for forming electrographic printing plates
Inventor:
Chandra Sreekumar
Patented Case
View Patent ↗
Granted: Sep 26, 1989
Filed: Jun 28, 1988
Inventor
Chandra Sreekumar
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.