Patents by Inventor Richard David Hawk

Richard David Hawk 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).

  • Secondary containment device for towing truck
    Patent number: 11247519
    Abstract: A containment device, including a housing, a first axle rotatably connected to the housing, the first axle including at least one gear having a plurality of teeth, a second axle rotatably connected to the housing, the second axle including at least one pawl operatively arranged to engage the plurality of teeth, and a line connected to the first axle and engaged with the second axle.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: February 15, 2022
    Inventor: Richard David Hawk