Granted Patent
Utility
US 6,121,612 · App. 08/955,694
Night vision device, image intensifier and photomultiplier tube, transfer-electron photocathode for such, and method of making
Inventors:
Timothy W. Sinor, Joseph P. Estrera, David G. Couch
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Oct 22, 1997
Inventors
Timothy W. Sinor
Joseph P. Estrera
David G. Couch
Assignee (at issue)
Litton Systems, 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.