Granted Patent
Utility
US 6,283,588 · App. 09/739,273
Print head cartridge made with jointless one-piece frame consisting of a single material throughout
Inventors:
Fred Young Brandon, Robert Arnold Christiansen, Curtis Ray Droege, Lawrence Russell Steward, Gary R. Williams
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Dec 19, 2000
Inventors
Fred Young Brandon
Robert Arnold Christiansen
Curtis Ray Droege
Lawrence Russell Steward
Gary R. Williams
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.