Patents by Inventor Thomas E. Lok

Thomas E. Lok 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).

  • Lighting fixture iris positioning apparatus
    Patent number: 7901114
    Abstract: A positioning apparatus for theatrical lighting equipment. In particular, an apparatus that allows an operator to control the direction of the light beam from a lighting fixture and simultaneously control an iris attached to the lighting fixture.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: March 8, 2011
    Inventor: Thomas E. Lok
  • Lighting Fixture Iris Positioning Apparatus
    Publication number: 20090251903
    Abstract: A positioning apparatus for theatrical lighting equipment. In particular, an apparatus that allows an operator to control the direction of the light beam from a lighting fixture and simultaneously control an iris attached to the lighting fixture.
    Type: Application
    Filed: November 21, 2007
    Publication date: October 8, 2009
    Inventor: Thomas E. Lok