Patents by Inventor Samuel E. McDuffee

Samuel E. McDuffee 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).

  • Biblical timepiece having improved display characteristics
    Patent number: 5220539
    Abstract: A timepiece for displaying both Biblical and conventional time wherein the dial face is provided with a twenty-four hour track adjacent to and aligned with a night watch track to provide concurrent reading of the Biblical hour and the Roman hour. A concentric one hour track is provided to permit display of minutes. A pair of sweep hands continually indicates both times.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: June 15, 1993
    Inventor: Samuel E. McDuffee