Patents by Inventor John Landis Grove

John Landis Grove 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).

  • Aerial lift platform with extendable wheels
    Patent number: 4039094
    Abstract: An aerial lift platform apparatus has a wheeled chassis, a turret on the chassis and a boom pivoted to the turret. The wheels are carried by extendable axles, to provide increased stability. The boom is depressed to raise at least one wheel, to permit its extension and retraction. Preferably, there are four wheels on two axles, and the wheels of each axle are successively raised and then extended or retracted.
    Type: Grant
    Filed: December 23, 1975
    Date of Patent: August 2, 1977
    Assignee: Fulton Industries, Inc.
    Inventor: John Landis Grove