Patents by Inventor Hendrik C. de Wit

Hendrik C. de Wit 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).

  • Collapsible shopping cart
    Patent number: 4492388
    Abstract: A shopping cart having a movable frame upon which at least one basket for purchases is mounted via a rod or support structure. The basket is removably fastened to the rod or support structure, which is collapsible on the frame.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: January 8, 1985
    Inventor: Hendrik C. de Wit