Granted Patent
Utility
US 6,469,728 · App. 08/573,845
LED printbars with depth of focus enhancement
Inventors:
George A. Charnitski, Thomas J. Hammond, Donald E. Wiedrich
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Dec 18, 1995
Inventors
George A. Charnitski
Thomas J. Hammond
Donald E. Wiedrich
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.