Patents by Inventor William Otis Howland

William Otis Howland 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: D390718
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: February 17, 1998
    Inventors: William Otis Howland, Lettie Catherine Howland