Fredrikson & Byron, P.A.
Device and method for simultaneously performing multiple competitive immunoassays
 A device and related method for simultaneously performing a plurality of immunoassays to detect the presence of respective analytes in a sample. The device involves the use of a unitary bibulous material providing one or more flow paths having a common origin site and a plurality of respective reagent zones providing the reagents necessary for performing a visual read-out, competitive immunoassay for the presence of the respective analyte. 
BSI Corporation
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Martha J. Stephen J.
Hamilton Chudzik