Granted Patent
Utility
US 6,502,926 · App. 09/772,721
Ink jet semiconductor chip structure
Inventors:
William Paul Cook, Stephen Francis DeFosse, Curtis Ray Droege, Hrishikesh Pramod Gogate, Eric Spencer Hall
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jan 30, 2001
Inventors
William Paul Cook
Stephen Francis DeFosse
Curtis Ray Droege
Hrishikesh Pramod Gogate
Eric Spencer Hall
Assignee (at issue)
Lexmark International, Inc.
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.