Granted Patent
Utility
US 6,429,894 · App. 09/450,820
CRT phosphor aging method
Inventor:
James E. Hicks
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Nov 29, 1999
Inventor
James E. Hicks
Assignee (at issue)
MITSUBISHI DIGITAL ELECTRONICS, INC.
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.