Patents by Inventor Charles M. Zettek

Charles M. Zettek 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).

  • Patent number: 4630935
    Abstract: An electronic timepiece including a clock for providing an output indicative of natural time, a clock display for displaying time of day information provided by the clock, a chronograph for counting given elapsed natural time periods and a chronograph display for displaying the total such periods counted by the chronograph. The timeplace further includes a manually operable actuator, a calculator for counting sequential actuations of the actuator, and an other time display for displaying the accumulated total of sequential actuations counted by the calculator. Additionally provided in the timepiece are a manual chronograph reset for setting to zero the counted total of elapsed natural time periods and a manual other time reset for setting to zero the counted sequential actuations of the actuator.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: December 23, 1986
    Inventor: Charles M. Zettek