Patents by Inventor Nicholas J. Sieler

Nicholas J. Sieler 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).

  • Utility pole
    Patent number: D349580
    Type: Grant
    Filed: November 23, 1992
    Date of Patent: August 9, 1994
    Assignee: Utili-Pole, Incorporated
    Inventors: Merle J. Sieler, Nicholas J. Sieler