Granted Patent
Utility
US 4,994,821 · App. 07/408,578
Continuous ink jet printer apparatus having improved short detection construction
Inventor:
Randy L. Fagerquist
Patented Case
View Patent ↗
Granted: Feb 19, 1991
Filed: Sep 18, 1989
Inventor
Randy L. Fagerquist
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.