Patents by Inventor Martin J. Dropik

Martin J. Dropik 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).

  • Push toy
    Patent number: D272927
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: March 6, 1984
    Assignee: The Quaker Oats Company
    Inventor: Martin J. Dropik