Granted Patent
Utility
US 6,582,055 · App. 09/924,181
Method for operating a printer having vertically offset printheads
Inventors:
Mary Ellen Biddle, James Daniel Weeks
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Aug 7, 2001
Inventors
Mary Ellen Biddle
James Daniel Weeks
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.