Patents by Inventor Valentine M. Sobota

Valentine M. Sobota 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).

  • Blackout lighting for vehicles
    Patent number: 4277819
    Abstract: Four red light emitting diodes are embedded in a synthetic resin encapsul. Two diodes in each of two pairs are connected in parallel and the two pairs are connected in series with a resistance, a blocking diode, and an on-off switch. A fifth diode which emits yellow light when energized is connected in series with a resistance, a blocking diode, and a brake-actuated switch.
    Type: Grant
    Filed: July 3, 1979
    Date of Patent: July 7, 1981
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Valentine M. Sobota, Marshall Vinson