Patents by Inventor Rober J. Karlotski

Rober J. Karlotski 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).

  • High intensity discharge lamp with treated electrode
    Patent number: 5905340
    Abstract: A high intensity discharge lamp with a heat treated inner electrode rod has been found to form an advantageous crack pattern. As a result seal failures have been reduced and lamp life increased.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: May 18, 1999
    Assignee: Osram Sylvania Inc.
    Inventors: Rober J. Karlotski, Timothy L. Kelly, Galina Zilberstein