Granted Patent
Utility
US 4,972,201 · App. 07/451,850
Drop charging method and system for continuous, ink jet printing
Inventors:
James A. Katerberg, David N. Pipkorn
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Dec 18, 1989
Inventors
James A. Katerberg
David N. Pipkorn
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.