Patents by Inventor Joachim K. Andrew

Joachim K. Andrew 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).

  • Electronic simulated sundial timepiece
    Patent number: 5237545
    Abstract: An electronic timepiece having a face forming a simulated sundial, a gnomon, a first and second plurality of electronic display circuit elements extending radially from the first and second ends of the base of the gnomon and a control circuit to activate selected display circuit elements to simulate a functioning sundial is disclosed. In one arrangement, the timepiece has a digital auxiliary display and a circuit to convert from the digital display to the selected display circuit elements. The timepiece, in one arrangement, includes a day/night indicator in the form of a solar disk for day and a moon crescent for night.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: August 17, 1993
    Assignee: Paul M. Schrader
    Inventors: Paul M. Schrader, Joachim K. Andrew