Granted Patent
Utility
US 6,022,652 · App. 08/607,278
High resolution flat panel phosphor screen with tall barriers
Inventors:
Duane A. Haven, Paul M. Drumm, Robert M. Duboc, Jr.
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Feb 23, 1996
Inventors
Duane A. Haven
Paul M. Drumm
Robert M. Duboc, Jr.
Assignee (at issue)
Candescent Technologies 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.