Patents by Inventor John W. LaBallister

John W. LaBallister 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).

  • Braking system for portable machine tool
    Patent number: 5479840
    Abstract: A portable machine tool such as a table saw that can be moved from position to position and locked in place for operation is disclosed. The portable machine tool includes a supporting base and at least one pair of spaced wheels depending from the supporting base adjacent one end. The wheels are capable of being locked in a fixed position to prevent movement of the saw or release of the wheels to enable movement of the saw to a desired position. A movable handle for movement between a first and second position provides joint operation of the wheel locking and wheel releasing elements.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: January 2, 1996
    Assignee: Emerson Electric Co.
    Inventors: James E. Hilliard, William A. Lane, John W. Bartlett, John W. LaBallister, Frederick B. Jedlicka
  • Table saw
    Patent number: D364412
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: November 21, 1995
    Assignee: Emerson Electric Co.
    Inventors: James E. Hilliard, William A. Lane, John W. Bartlett, John W. LaBallister, Frederick B. Jedlicka