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Colin J. Tredwell
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Kent, GB
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last 30 patents
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Patent Grant
Methods and apparatus for displaying data
Patent number
4,994,794
Issue date
Feb 19, 1991
Gec-Marconi Limited
Donald R. C. Price
G02 - OPTICS
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Patent Grant
Position indicating apparatus
Patent number
4,791,478
Issue date
Dec 13, 1988
GEC Avionics Limited
Colin J. Tredwell
G06 - COMPUTING CALCULATING COUNTING