Patents by Inventor Doug J. Maier

Doug J. Maier 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: D405996
    Type: Grant
    Filed: September 5, 1997
    Date of Patent: February 23, 1999
    Assignee: John P. Mickler
    Inventors: John P. Mickler, Doug J. Maier