John R. Chapman

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Cheshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Mass spectrometer system including an ion source operable under hig...
- Patent number 5,164,593
- Issue date Nov 17, 1992
- Kratos Analytical Limited
- John R. Chapman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ion source for a mass spectrometer
- Patent number 5,160,841
- Issue date Nov 3, 1992
- Kratos Analytical Limited
- John R. Chapman
- H01 - BASIC ELECTRIC ELEMENTS