Granted Patent
Utility
US 5,257,039 · App. 07/764,268
Non-impact printhead and driver circuit for use therewith
Inventors:
Jeremy K. Chung, Kenneth D. Kieffer, Pin S. Tschang
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Sep 23, 1991
Inventors
Jeremy K. Chung
Kenneth D. Kieffer
Pin S. Tschang
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.