Patents by Inventor William B. Leigh

William B. Leigh 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: 4992072
    Abstract: A self contained toy is disclosed. The toy includes a lower hollow hemisphere, an upper hollow hemisphere movably connected to the lower hollow hemisphere, and a crankshaft for causing the upper hollow hemisphere to move up and down relative to the lower hollow hemisphere so that the toy would jump.
    Type: Grant
    Filed: July 17, 1989
    Date of Patent: February 12, 1991
    Inventor: William B. Leigh