Granted Patent
Utility
US 6,653,836 · App. 10/103,152
Resonance signal detector
Inventor:
Kenichi Hasegawa
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Mar 21, 2002
Inventor
Kenichi Hasegawa
Assignee (at issue)
JEOL 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.