Granted Patent
Utility
US 6,429,596 · App. 09/476,051
Segmented gate drive for dynamic beam shape correction in field emission cathodes
Inventors:
Keith D. Jamison, Donald E. Patterson
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Dec 31, 1999
Inventors
Keith D. Jamison
Donald E. Patterson
Assignee (at issue)
Extreme Devices, 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.