Patents by Inventor Bruno J. Verbeck

Bruno J. Verbeck 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).

  • Test for a given constituent in a liquid
    Patent number: 3993451
    Abstract: The device, for use in analysis of a sample of liquid material applied thereto, comprises a plastic film support having adhered to one surface thereof a reagent-containing layer, said reagent reacting with a component of said sample to produce a color change within said layer, said layer also containing reagent-free particles of hydrophilic, absorbent, porous, particulate material, adhered to said surface, and on the opposite side of said reagent-containing layer from said support, a layer of a porous medium through which some of the said component is transmitted to said reagent-containing layer.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: November 23, 1976
    Assignee: Miles Laboratories, Inc.
    Inventor: Bruno J. Verbeck