Patents by Inventor Walter S. Kemprowski

Walter S. Kemprowski 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).

  • Foam generator
    Patent number: 4165834
    Abstract: Methods and apparatus for the topical treatment of vegetation or terrain therefor, comprising expressing a multiplicity of discrete foam structures with the plant agent composition as a spray to provide a treated surface with controlled application of plant agents e.g. using the foam structures as markers.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: August 28, 1979
    Assignee: General Foods Corporation
    Inventors: Esra Pitchon, Martin S. Colton, Walter S. Kemprowski, Marvin Schulman