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Mass spectrometer
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Patent number 3,967,116
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Issue date Jun 29, 1976
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Varian Mat GmbH
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Jens F. Geerk
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H01 - BASIC ELECTRIC ELEMENTS
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3930155
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Patent number 3,930,155
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Issue date Dec 30, 1975
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H01 - BASIC ELECTRIC ELEMENTS
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3812356
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Patent number 3,812,356
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Issue date May 21, 1974
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H01 - BASIC ELECTRIC ELEMENTS
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3636345
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Patent number 3,636,345
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Issue date Jan 18, 1972
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H01 - BASIC ELECTRIC ELEMENTS
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3622781
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Patent number 3,622,781
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Issue date Nov 23, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3600573
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Patent number 3,600,573
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Issue date Aug 17, 1971
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H01 - BASIC ELECTRIC ELEMENTS
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3522429
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Patent number 3,522,429
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Issue date Aug 4, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3517191
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Patent number 3,517,191
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Issue date Jun 23, 1970
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H01 - BASIC ELECTRIC ELEMENTS
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3445650
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Patent number 3,445,650
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Issue date May 20, 1969
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H01 - BASIC ELECTRIC ELEMENTS
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3233099
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Patent number 3,233,099
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Issue date Feb 1, 1966
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H01 - BASIC ELECTRIC ELEMENTS
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2947868
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Patent number 2,947,868
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Issue date Aug 2, 1960
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H01 - BASIC ELECTRIC ELEMENTS
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2851608
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Patent number 2,851,608
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Issue date Sep 9, 1958
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H01 - BASIC ELECTRIC ELEMENTS