Patents by Inventor Joseph M. Mayenschein

Joseph M. Mayenschein 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).

  • Boat clock
    Patent number: D262948
    Type: Grant
    Filed: February 11, 1980
    Date of Patent: February 9, 1982
    Inventors: Patricia D. Mayenschein, Joseph M. Mayenschein