Patents by Inventor David Henlein

David Henlein 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).

  • Cigarette holder
    Patent number: D285362
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: August 26, 1986
    Inventors: Frank L. Boone, David Henlein