Granted Patent
Utility
US 6,502,920 · App. 09/499,008
Ink jet print head having offset nozzle arrays
Inventors:
Frank Edward Anderson, John Philip Bolash, Randall David Mayo, George Keith Parish
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 4, 2000
Inventors
Frank Edward Anderson
John Philip Bolash
Randall David Mayo
George Keith Parish
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.