Patents by Inventor Daniel R. Seelye

Daniel R. Seelye 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).

  • Adjustable spring rate pogo stick
    Patent number: 6390956
    Abstract: An adjustable spring rate pogo stick that incorporates two springs, with different spring rates, in parallel. This two-spring system can produce three different spring rates by allowing the user to engage one spring (first setting), the other spring (second setting) or both springs simultaneously (third setting). This pogo stick will accommodate weights of below 80 pounds to above 250 pounds.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: May 21, 2002
    Inventors: Daniel R. Seelye, John Hoss, Jeremy L. Iford, Mitchel J. Keil