Patents by Inventor Gerald Hannappel

Gerald Hannappel 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: D438408
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: March 6, 2001
    Inventor: Gerald Hannappel