Patents by Inventor Steven M. Digman

Steven M. Digman 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).

  • Patent number: 6280654
    Abstract: A luminescent compound comprising an admixture of rosin and a luminescent glow pigment and methods for its use are disclosed. The luminescent glow pigment conveys a“glow in the dark” quality to the compound providing a rosin that retains its physical properties and gains the ability to be seen in little or no light. The“glow in the dark” rosin may be used for both aesthetic and practical purposes where conventional rosins are employed, and in other ways where the properties of a rosin that may be seen in the dark are desirable.
    Type: Grant
    Filed: January 12, 2000
    Date of Patent: August 28, 2001
    Inventors: Steven M. Digman, Thomas M. Walraven