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Matthew D. Hayes
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Plano, TX, US
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last 30 patents
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Patent Grant
Method for calibrating a sensor for measuring concentration of odors
Patent number
6,672,129
Issue date
Jan 6, 2004
MicroFab Technologies, Inc.
Christopher J. Frederickson
F24 - HEATING RANGES VENTILATING
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Patent Grant
Method and apparatus for delivery of fragrances and vapors to the nose
Patent number
6,390,453
Issue date
May 21, 2002
MicroFab Technologies, Inc.
Christopher J. Frederickson
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE