Patents by Inventor Ella L. Layne

Ella L. Layne 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: 5599156
    Abstract: An unloading shoe subassembly for use in combination with a hand truck includes a pair of sideframe members and a handle extending between and connecting the sideframe members. A pair of wheeled track assemblies are adapted to be mounted on the frame such that each sideframe member is adjacent one of the wheeled track assemblies and the wheeled track assemblies are generally parallel with one another and generally perpendicular to the load-carrying platform. Each of the wheeled track assemblies includes upper, middle and lower wheel tracks mounted on a support plate in generally coplanar relation with each other. Wheels are slidably mounted within each of the wheel tracks. A shoe assembly including an unloading shoe and at least one shoe support strut is provided, the unloading shoe mounted on the lower end of the strut.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: February 4, 1997
    Inventors: Arnold B. Layne, Ella L. Layne