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Michael H. Wiefel
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Castro Valley, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Solid phase microextraction fiber cleaning and conditioning apparat...
Patent number
7,047,661
Issue date
May 23, 2006
The Regents of the University of California
Armando Alcaraz
G01 - MEASURING TESTING
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Patent Grant
Illumination box and camera system
Patent number
6,454,939
Issue date
Sep 24, 2002
The Regents of the University of California
Jeffrey S. Haas
G01 - MEASURING TESTING
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Patent Grant
Hand portable thin-layer chromatography system
Patent number
6,096,205
Issue date
Aug 1, 2000
The Regents of the University of California
Jeffrey S. Haas
G01 - MEASURING TESTING
Patents Applications
last 30 patents
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Patent Application
Solid phase microextraction fiber cleaning and conditioning apparat...
Publication number
20040025302
Publication date
Feb 12, 2004
The Regents of the University of California.
Armando Alcaraz
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL