Granted Patent
Utility
US 6,160,262 · App. 09/176,110
Method and apparatus for deflecting charged particles
Inventors:
Masahiko Aoki, Masayasu Tanjyo
Patented Case
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Granted: Dec 12, 2000
Filed: Oct 21, 1998
Inventors
Masahiko Aoki
Masayasu Tanjyo
Assignee (at issue)
NISSIN ELECTRIC CO., LTD.
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.