Granted Patent
Utility
US 6,517,618 · App. 09/864,902
Photochromic electrophoretic ink display
Inventors:
Daniel A. Foucher, Raj D. Patel, Naveen Chopra, Peter M. Kazmaier, James Wojtyk, Erwin Buncel
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: May 24, 2001
Inventors
Daniel A. Foucher
Raj D. Patel
Naveen Chopra
Peter M. Kazmaier
James Wojtyk
Erwin Buncel
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.