Granted Patent
Utility
US 4,339,659 · App. 06/200,161
Image converter having serial arrangement of microchannel plate, input electrode, phosphor, and photocathode
Inventor:
Charles B. Johnson
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Oct 20, 1980
Inventor
Charles B. Johnson
Assignee (at issue)
International Telephone and Telegraph 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.