Patents by Inventor Theodore T. Masters

Theodore T. Masters 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).

  • Light bulb and method of use
    Patent number: 7804233
    Abstract: A light bulb includes two or more filaments. When one filament burns out another filament can be connected so that the light bulb is still operational and does not have to be discarded.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: September 28, 2010
    Inventors: Shaam P. Sundhar, Totada R. Shantha, Theodore T. Masters