Granted Patent
Utility
US 6,549,327 · App. 09/864,386
Photochromic gyricon display
Inventors:
Daniel A. Foucher, Raj D. Patel, Naveen Chopra, Peter M. Kazmaier, Erwin Buncel, James Wojtyk
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: May 24, 2001
Inventors
Daniel A. Foucher
Raj D. Patel
Naveen Chopra
Peter M. Kazmaier
Erwin Buncel
James Wojtyk
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.