Patents by Inventor Volkhard Sander

Volkhard Sander 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).

  • Carrying bag
    Patent number: 5141336
    Abstract: A carrying bag of thermoplastic material has side walls with inwardly folded top edge portions to which handle loops made of a similarly flexible material are bonded. In order to obtain a multifunctional bag which can be easily and economically manufactured and readily recycled, the edge portion of one side wall protrudes beyond the edge portion of the other side wall, the protruding edge portion having a slit-like cut so that the protruding edge portion can be folded over the opposite side of the bag.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: August 25, 1992
    Assignee: Windmoller & Holscher
    Inventor: Volkhard Sander