Patents by Inventor Carol A. Shettler

Carol A. Shettler 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).

  • Alphabet blocks
    Patent number: 4508347
    Abstract: This invention relates to a combined educational puzzle and amusement device comprising a set of nine toy blocks that have various indicia imprinted on the sides of the individual blocks, in such a manner that the rotation and displacement of the individual blocks in a given pattern can produce all of the letters in the alphabet; the letters being formed on the combined top surface of the toy blocks, when the blocks are arranged in a grid, of three rows down, and three rows across.
    Type: Grant
    Filed: August 24, 1983
    Date of Patent: April 2, 1985
    Inventor: Carol A. Shettler