Patents by Inventor Mark R. Felter

Mark R. Felter 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: 4619620
    Abstract: An improved water sports apparatus comprising an inflatable tube to which a seat portion with a number of straps can be attached by utilizing pins which are vulcanized to the tube and which pass through openings formed in the straps. The straps are joined by buckles around the tube and rings pass through openings provided in the pins so as to lock the straps to the inner tube. A pair of towing portions pass around the front of the tube and are provided with rings through which a tow rope and handle can be passed. The inner tube is inflated to extend out over the straps and a pair of handles are provided on a pair of the front straps for the user.
    Type: Grant
    Filed: March 19, 1985
    Date of Patent: October 28, 1986
    Inventor: Mark R. Felter
  • Patent number: 4427394
    Abstract: A water sport apparatus which can be attached to an inner tube and includes a flexible seat that can be strapped to the inner tube and a pair of extending portions that pass over the inner tube and are connected to a tow line.
    Type: Grant
    Filed: October 7, 1981
    Date of Patent: January 24, 1984
    Inventor: Mark R. Felter