Granted Patent
Utility
US 6,504,557 · App. 09/867,864
Charge emitting print head for image forming systems
Inventors:
Alexander Kosyachkov, Igor Kubelik, Lech Jedral, Dung Nguen, Rossitza Ivanova
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: May 29, 2001
Inventors
Alexander Kosyachkov
Igor Kubelik
Lech Jedral
Dung Nguen
Rossitza Ivanova
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.