Patents by Inventor Milton E. B. Lenk

Milton E. B. Lenk 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).

  • Magnetic disc spinning toy
    Patent number: D272836
    Type: Grant
    Filed: September 11, 1981
    Date of Patent: February 28, 1984
    Inventor: Milton E. B. Lenk