Patents by Inventor Mark T. Murray

Mark T. Murray 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).

  • Expansible frame for mounting downriggers
    Patent number: 4901469
    Abstract: An expansible device attachable to the stern of a boat for mounting fishing rigs such as downriggers thereon. The device includes a framework which extends horizontally across the stern of the boat, with a pair of expansible members disposed near the outboard edges of the framework. The expansible members include extensions telescopically received in the framework which move from a retracted position to an extended, outboard position by means of linear actuators to provide an extended mounting area.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: February 20, 1990
    Inventor: Mark T. Murray