Patents by Inventor Marcus N. Gewinner

Marcus N. Gewinner 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).

  • Patent number: D305876
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: February 6, 1990
    Inventor: Marcus N. Gewinner