Thomas W. Barnard

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Weston, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical spectrometer for detecting spectra in separate ranges
- Patent number 5,565,983
- Issue date Oct 15, 1996
- The Perkin-Elmer Corporation
- Thomas W. Barnard
- G02 - OPTICS
Information Patent Grant
Spectrometer with selectable radiation from induction plasma light...
- Patent number 5,483,337
- Issue date Jan 9, 1996
- Thomas W. Barnard
- G01 - MEASURING TESTING
Information Patent Grant
Detector for a spectrometer
- Patent number 4,820,048
- Issue date Apr 11, 1989
- The Perkin-Elmer Corporation
- Thomas W. Barnard
- G01 - MEASURING TESTING
Information Patent Grant
Atomic absorption spectrophotometer providing background correction...
- Patent number 4,457,623
- Issue date Jul 3, 1984
- The Perkin-Elmer Corporation
- Walter Bohler
- G01 - MEASURING TESTING
Information Patent Grant
Optical beam-switching chopper
- Patent number 4,168,910
- Issue date Sep 25, 1979
- The Perkin-Elmer Corporation
- Thomas W. Barnard
- G01 - MEASURING TESTING