U.S. federal trademark · Serial No. 77207139 · Reg. No. 3696335
Non-medical non-invasive system for the qualitative detection of narcotics and/or their metabolites on any surface medium based on the principle of competitive binding, the system comprising a buffer tube containing a buffer solution, a collection tube, a sponge collector and a test device, namely, a lateral flow chromatographic irnmunoassay
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