Granted Patent
Utility
US 4,607,261 · App. 06/722,548
Ink supply cartridge and cooperative ink circulation system of continuous ink jet printer
Inventors:
James D. McCann, Michael J. Piatt, Theodore F. Williams
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Apr 12, 1985
Inventors
James D. McCann
Michael J. Piatt
Theodore F. Williams
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.