Patents by Inventor Alan J. Saunders

Alan J. Saunders 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).

  • Tide calculating and display device
    Patent number: 5115417
    Abstract: A watch or other instrument for graphically displaying tide and time conditions and for determining tide conditions for a date and time in the future. Conventional watch functions (21) are combined with computing circuitry (FIG. 2) to continuously update and show tide conditions by means of tide height bar (29), and tide direction indicators (22, 22). Future tides are indicated on the same display when the Future Tide mode (33B) is selected thru buttons (5, 6, 7) and the selected date and time is entered.
    Type: Grant
    Filed: February 28, 1989
    Date of Patent: May 19, 1992
    Inventor: Alan J. Saunders