Granted Patent
Utility
US 6,069,597 · App. 08/920,552
Circuit and method for controlling the brightness of an FED device
Inventor:
Ronald L. Hansen
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Aug 29, 1997
Inventor
Ronald L. Hansen
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.