Patents by Inventor John N. Ott

John N. Ott 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).

  • Grounding device for lamp with shielded electrodes
    Patent number: 4794499
    Abstract: A grounding device for a fluorescent lamp of the type having a tubular envelope with electrodes at the ends between which an electric discharge occurs. Radiation shields around the electrodes prevent emission of electrode radiation from the lamp and a grounding element connects the shields to the ground.
    Type: Grant
    Filed: February 16, 1988
    Date of Patent: December 27, 1988
    Inventor: John N. Ott