Patents by Inventor Alexander Groenewege

Alexander Groenewege 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).

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    Patent number: D340336
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: October 12, 1993
    Assignee: Compagnie International des Wagon-Lits et du Tourisme
    Inventors: Alexander Groenewege, Alfred H. van Elk