Inventor
HANNUM DAVID W
US6 patents
Patents
6 patentsUS5915268AJun 22, 1999
Vertical flow chemical detection portal
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US6978657B1Dec 27, 2005
Portable chemical detection system with intergrated preconcentrator
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US6523393B1Feb 25, 2003
Human portable preconcentrator system
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US6848325B2Feb 1, 2005
Explosives screening on a vehicle surface
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US6604406B1Aug 12, 2003
Human portable preconcentrator system
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US6572825B1Jun 3, 2003
Apparatus for thermally evolving chemical analytes from a removable substrate
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