Granted Patent
Utility
US 6,629,756 · App. 09/788,479
Ink jet printheads and methods therefor
Inventors:
Qing-Ming Wang, Carl Edmond Sullivan, James Harold Powers
Patented Case
View Patent ↗
Granted: Oct 7, 2003
Filed: Feb 20, 2001
Inventors
Qing-Ming Wang
Carl Edmond Sullivan
James Harold Powers
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.