Patents by Inventor Ben Cogdill

Ben Cogdill 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).

  • Educational toy
    Patent number: 4534736
    Abstract: An educational toy comprising a threaded shaft having blocks rigidly fixed to the opposite ends thereof and rotating and traveling blocks, spaced between the fixed end blocks and containing indicia to be aligned on faces of the rigidly fixed and rotating and traveling blocks.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: August 13, 1985
    Inventor: Ben Cogdill