Patents by Inventor Richard Kreis

Richard Kreis 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).

  • Colorimetric detector
    Patent number: 9023291
    Abstract: The present invention is directed toward a colorimetric detection kit comprising a unit containing chemical reagents and a sample collector for collecting a sample analyte from a surface and a separate unit for visualizing a possible reaction of the chemical reagent and sample, the unit holding the chemical reagents and sample collector being placeable on the visualization unit, whereby when the chemical reagents are released, they are directed onto the sample collector for reaction and the reacted reagents absorbed on a visualization media, such that the presence of a specified analyte in the sample results in a color change in the visualization media.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: May 5, 2015
    Assignee: The United States of America as Represented by the Secretary of The Army
    Inventors: James A. Genovese, Edward Rychwalski, III, Kevin Ridgley, Richard Kreis, Kevin M Murphy