Patents by Inventor William J. Lally

William J. Lally 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).

  • Modified impedance rapid start fluorescent lamp system
    Patent number: 4857808
    Abstract: A modified impedance rapid start fluorescent lamp system is provided with interrupted cathode heating. This structure includes a circuit in parallel with one of the bimetal switches at each side of a cathode. The circuit includes a current limiting capacitor and bleeder resistor connected in parallel with each other and a third normally closed thermal bimetal switch.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: August 15, 1989
    Assignee: North American Philips Corporation
    Inventors: William J. Lally, Edward W. Morton