Patents by Inventor Hans-Juergen Grebenstein

Hans-Juergen Grebenstein 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).

  • Zipped suitcase with wheels supported by peripheral frame sections
    Patent number: 5105920
    Abstract: A zipped suitcase having a top side, two narrow side walls, a bottom part and two large side walls which can be folded back from a frame-reinforced body via zippers extending over the two narrow side walls wherein the frame-reinforced body includes a broad first section reinforced by two spaced-apart peripheral frames, which broad first section has a partition between the two peripheral frames, and of a narrow second section connected to the broad first section via a zipper and likewise reinforced by a third peripheral frame.
    Type: Grant
    Filed: June 27, 1990
    Date of Patent: April 21, 1992
    Inventor: Hans-Juergen Grebenstein