Patents by Inventor William K. Lang

William K. Lang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Biochemical and immunochemical assay device
    Patent number: 6573108
    Abstract: An assay device comprising: (a) a substrate comprising: (i) a porous material capable of chromatographically transporting a liquid; and (ii) one or more test reagents for an assay provided on the porous material; and (b) a transparent water-impermeable coating polymer attached to the porous material so as to define a continuous bibulous compartment.
    Type: Grant
    Filed: November 14, 1999
    Date of Patent: June 3, 2003
    Assignee: Diamatrix Limited
    Inventors: David John Hardman, James H. Slater, Adam G. Reid, William K. Lang, James Richard Jackson