Granted Patent
Utility
US 6,559,820 · App. 09/449,019
Tribo-addressed and tribo-suppressed electric paper
Inventors:
James C. Mikkelsen, Nicholas K. Sheridon, Edward A. Richley
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Nov 24, 1999
Inventors
James C. Mikkelsen
Nicholas K. Sheridon
Edward A. Richley
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.