Patents by Inventor Joseph B. Justice

Joseph B. Justice 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: 6894625
    Abstract: An aircraft ground power unit (GPU) is equipped with a device that warns personnel with a flashing light and a siren when the unsafe condition exists of the GPU being connected to both the tug and the aircraft at the same time. Similar devices can be used on other towed vehicles that can cause damage to vehicles or structures if towed away while still attached to the vehicle or structure.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: May 17, 2005
    Inventors: Timothy Grant Kozma, Joseph B. Justice