Patents by Inventor John C. Sammis

John C. Sammis 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).

  • D. C. Powered control circuit for energizing a cold cathode lamp
    Patent number: 4149113
    Abstract: A control circuit including digital circuitry and a voltage step up transformer is arranged to operate as an inverter to provide for energizing a cold cathode lamp under power provided by a d.c. source such as a battery. According to a significantly preferred feature, any one of a plurality of operating modes can be manually selected so that different illuminating effects can be provided as desired.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: April 10, 1979
    Assignee: Decor Design Corporation
    Inventor: John C. Sammis