Granted Patent
Utility
US 6,620,476 · App. 09/373,426
Nonbleeding fluorinated carbon and zinc oxide filled layer for bias charging member
Inventors:
Ihor W. Tarnawskyj, Kock-Yee Law, Martin A. Abkowitz, Frederick E. Knier, Jr., James B. Maliborski
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Aug 13, 1999
Inventors
Ihor W. Tarnawskyj
Kock-Yee Law
Martin A. Abkowitz
Frederick E. Knier, Jr.
James B. Maliborski
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.