Granted Patent
Utility
US 6,378,290 · App. 09/685,793
High-frequency ion source
Inventors:
Rainer Killinger, Hans Mueller, Helmut Bassner, Ralph Kukies
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: Oct 10, 2000
Inventors
Rainer Killinger
Hans Mueller
Helmut Bassner
Ralph Kukies
Assignee (at issue)
ASTRIUM GMBH
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.