Patents by Inventor David S. Blumer

David S. Blumer 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: 5263710
    Abstract: An anchoring device and baseball base combination, wherein the anchor device is a peg having a lower end for insertion into the ground and an upper end having a curved opening, which engage an integral closed loop which receives a strap connected to the baseball base for securing the baseball base to the ground.
    Type: Grant
    Filed: August 6, 1992
    Date of Patent: November 23, 1993
    Inventors: David S. Blumer, Henry Hendriks