Granted Patent
Utility
US 5,760,804 · App. 07/952,628
Ink-jet printing head for a liquid-jet printing device operating on the heat converter principle and process for making it
Inventors:
Joachim Heinzl, Bernhard Hochwind, Hans W. Potzlberger, Helmut Schlaak, Arno Steckenborn
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Jan 21, 1993
Inventors
Joachim Heinzl
Bernhard Hochwind
Hans W. Potzlberger
Helmut Schlaak
Arno Steckenborn
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.