Granted Patent
Utility
US 5,608,283 · App. 08/269,283
Electron-emitting devices utilizing electron-emissive particles which typically contain carbon
Inventors:
Jonathan Twichell, George R. Brandes, Michael W. Geis, John M. Macaulay, Robert M. Duboc, Jr., Christopher J. Curtin
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jun 29, 1994
Inventors
Jonathan Twichell
George R. Brandes
Michael W. Geis
John M. Macaulay
Robert M. Duboc, Jr.
Christopher J. Curtin
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.