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Ian R. M. Wardell
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Heathfield, GB
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last 30 patents
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Patent Grant
Electron Spectrometer
Patent number
RE33275
Issue date
Jul 24, 1990
VG Instruments Group, Limited
Ian R. M. Wardell
250 - Radiant energy
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Patent Grant
Electron spectrometer
Patent number
4,758,723
Issue date
Jul 19, 1988
Vg Instruments Group Limited
Ian R. M. Wardell
H01 - BASIC ELECTRIC ELEMENTS