U.S. federal trademark · Serial No. 78484318 · Reg. No. 3149683
Hand-held apparatus for the collection and detection of trace amounts of organic compounds, especially explosives or contraband drugs, using a sample preconcentrator to collect the organic compounds from an air stream, or from a mechanical swipe of a surface, on a screen or filter; a heater to vaporize the collected compounds into a concentrated vapor stream; and a portable chemical detector to analyze the concentrated vapor stream
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