Patents by Inventor Janet Schwietzer

Janet Schwietzer 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).

  • Grocery cart attachment
    Patent number: 5086960
    Abstract: A display holder for attachment to grocery carts including a panel writing surface, cart engaging clamp attached to and a foldable support pivotally attached to the underside of the panel to support the holder on the cart.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: February 11, 1992
    Inventor: Janet Schwietzer
  • Table
    Patent number: D243803
    Type: Grant
    Filed: January 23, 1975
    Date of Patent: March 29, 1977
    Assignee: The Pace Collection Inc.
    Inventor: Janet Schwietzer