Granted Patent
Utility
US 4,823,044 · App. 07/154,743
Dispenser cathode and method of manufacture therefor
Inventor:
Louis R. Falce
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Feb 10, 1988
Inventor
Louis R. Falce
Assignee (at issue)
Ceradyne, 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.