Granted Patent
Utility
US 6,069,445 · App. 08/791,365
Having an electrical contact on an emission surface thereof
Inventor:
Arlynn W. Smith
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Jan 30, 1997
Inventor
Arlynn W. Smith
Assignee (at issue)
ITT Industries
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.