Patents by Inventor Walter Grzondziel

Walter Grzondziel 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).

  • Chain of closure clips and device and process for closing its clips
    Patent number: 5852850
    Abstract: The invention relates to a chain of interconnected closure clips, designed for the necks of bags or film tubes, having a uniform cross-sectional profile and two free ends lockable together to close the closure clip, which chain is characterized in that the closure clips comprise projections located in mutual alignment between the ends on the outer contour and are connected only in the region of these projections, such that the projections form a through-web.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: December 29, 1998
    Assignee: Poly-Clip System Corp.
    Inventors: Jurgen Hanten, Eggo Haschke, Walter Grzondziel, Gunter Vermehren