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John G. Crowder
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Edinburgh, GB
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last 30 patents
Information
Patent Grant
Infrared light emitting diodes
Patent number
6,850,013
Issue date
Feb 1, 2005
QinetiQ Limited
Timothy Ashley
G01 - MEASURING TESTING
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Patent Grant
Infrared absorption gas detector
Patent number
4,560,875
Issue date
Dec 24, 1985
EIGD Limited
John G. Crowder
G01 - MEASURING TESTING