Patents by Inventor Margrit Wolf

Margrit Wolf 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-store shopping cart facilitating diverse-condition cartage
    Patent number: 6766931
    Abstract: A grocery-store shopping cart having a main container and an insulated inner container detachably secured within the main container and positioned substantially entirely below the plane of the main-container top edge and adjacent to one endwall thereof to leave substantial storage volume in the main container but outside the inner container, to facilitate diverse-condition grocery cartage. Preferred features include: the inner container being flush with or recessed below the plane to avoid interference during nesting; a hinged cover; and equal acute angles between (1) a main-container endwall and the plane and (2) an inner-container wall and the inner-container top.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: July 27, 2004
    Inventor: Margrit Wolf
  • Grocery-store shopping cart facilitating diverse-condition cartage
    Publication number: 20020134806
    Abstract: A grocery-store shopping cart having a main container and an insulated inner container detachably secured within the main container and positioned substantially entirely below the plane of the main-container top edge and adjacent to one endwall thereof to leave substantial storage volume in the main container but outside the inner container, to facilitate diverse-condition grocery cartage. Preferred features include: the inner container being flush with or recessed below the plane to avoid interference during nesting; a hinged cover; and equal acute angles between (1) a main-container endwall and the plane and (2) an inner-container wall and the inner-container top.
    Type: Application
    Filed: March 20, 2001
    Publication date: September 26, 2002
    Inventor: Margrit Wolf