Granted Patent
Utility
US 5,432,539 · App. 08/316,294
Printhead maintenance device for a full-width ink-jet printer including a wiper rotated by a lead screw
Inventor:
David Greg Anderson
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Sep 30, 1994
Inventor
David Greg Anderson
Assignee (at issue)
Xerox Corporation
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.