Granted Patent
Utility
US 6,459,873 · App. 09/713,699
DC pin scorotron charging apparatus, and printing machine arranged with the same
Inventors:
Jing Song, John F. Obrien, David Sekovski, Robert K. Fox, John D. McCaffrey, Jeffrey W. Drawe
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Nov 15, 2000
Inventors
Jing Song
John F. Obrien
David Sekovski
Robert K. Fox
John D. McCaffrey
Jeffrey W. Drawe
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.