Granted Patent
Utility
US 4,614,948 · App. 06/722,550
Ink circulation system for continuous ink jet printing apparatus
Inventors:
James A. Katerberg, Evan Lawrence Craig, David A. Huliba
Patented Case
View Patent ↗
Granted: Sep 30, 1986
Filed: Apr 12, 1985
Inventors
James A. Katerberg
Evan Lawrence Craig
David A. Huliba
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.