Granted Patent
Utility
US 4,148,779 · App. 05/844,335
Water-dispersible dye/resin compositions
Inventors:
Samuel E. Blackwell, Kenneth R. Barton
Patented Case
View Patent ↗
Granted: Apr 10, 1979
Filed: Oct 21, 1977
Inventors
Samuel E. Blackwell
Kenneth R. Barton
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.