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Inventor
FIES JR WILLIAM J
US
2 patents
Patents
2 patents
US4755670A
Jul 5, 1988
Fourtier transform quadrupole mass spectrometer and method
FINNIGAN CORP
145 citations
96
US4650999A
Mar 17, 1987
Method of mass analyzing a sample over a wide mass range by use of a quadrupole ion trap
FINNIGAN CORP
33 citations
90