Patents by Inventor Breier B. Kempster

Breier B. Kempster 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).

  • Taxi indicator
    Patent number: 4067128
    Abstract: An indicator for a taxi-cab, the indicator having a plurality of different displays to be shown through a window, there being control means in the vehicle to control which display is visible through the window.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: January 10, 1978
    Inventor: Breier B. Kempster