Jeffrey Diep

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Quincy, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mass spectrometer for trace gas leak detection with suppression of...
- Patent number 7,459,677
- Issue date Dec 2, 2008
- Varian, Inc.
- J. Daniel Geist
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High sensitivity slitless ion source mass spectrometer for trace ga...
- Patent number 7,427,751
- Issue date Sep 23, 2008
- Varian, Inc.
- J. Daniel Geist
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
High sensitivity slitless ion source mass spectrometer for trace ga...
- Publication number 20070187592
- Publication date Aug 16, 2007
- Varian, Inc.
- J. Daniel Geist
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Mass spectrometer for trace gas leak detection with suppression of...
- Publication number 20070187586
- Publication date Aug 16, 2007
- J. Daniel Geist
- H01 - BASIC ELECTRIC ELEMENTS