Patents by Inventor Louis Hoffman

Louis Hoffman 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).

  • Stemware holder
    Patent number: D259452
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: June 9, 1981
    Inventor: Louis Hoffman