Patents by Inventor Kem E. Mullenax

Kem E. Mullenax 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).

  • Slip-on attachment for skateboards
    Patent number: 4805934
    Abstract: A slip-on attachment apparatus (10) for the conventional wheels (100) of a typical skateboard device (101) wherein the attachment apparatus (10) comprises a plurality of attachment members (11) including a generally elongated hollow cylindrical housing (13) having at least one outwardly and radially disposed narrow runner element (12) formed thereon; wherein, the interior of the cylindrical housing (13) is adapted to engage the outer periphery of the wheels (100) of a skateboard (101).
    Type: Grant
    Filed: November 12, 1987
    Date of Patent: February 21, 1989
    Inventor: Kem E. Mullenax