Patents by Inventor Robb Harst

Robb Harst 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).

  • Combination cycle seat-skateboard
    Patent number: 4223905
    Abstract: A cycle seat having wheels and which is detachable from the cycle and useable as a skateboard.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: September 23, 1980
    Assignee: Persons-Majestic Manufacturing Company
    Inventors: Charles Persons, II, Robb Harst