Granted Patent
Utility
US 5,923,347 · App. 08/788,309
Method and system for cleaning an ink jet printhead
Inventor:
Thomas F. Wade
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Jan 24, 1997
Inventor
Thomas F. Wade
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.