Patents by Inventor John Chanslor

John Chanslor 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).

  • Apparatus and method for the performance of work on submerged articles
    Patent number: 4596493
    Abstract: An apparatus and method for working on a submerged object comprising a work platform having jetting means carried thereby for excavating the floor beneath the body of water and around the object.
    Type: Grant
    Filed: November 7, 1983
    Date of Patent: June 24, 1986
    Assignee: Martech International, Inc.
    Inventors: Benjamin Tisdale, John Chanslor, William B. Nicholson