Patents by Inventor Kemp S. Lewis

Kemp S. Lewis 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).

  • Sundial
    Patent number: 4102054
    Abstract: A sundial which is adjustable with respect to its mounting location to correct for its earth location in both longitude and latitude. The sundial is provided with solar time equation indicia and indicator to correct real solar time to mean solar time and includes further indicia to determine the calendar date based on sun declination.
    Type: Grant
    Filed: April 28, 1977
    Date of Patent: July 25, 1978
    Assignees: Danny R. Williams, Kenneth D. McPhail
    Inventor: Kemp S. Lewis