Patents by Inventor Trevor W. Stewart

Trevor W. Stewart 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).

  • Illuminated hazard warning device
    Patent number: 5521595
    Abstract: A self or internally powered electric strobe-type illumination beacon for use in connection with hazard-warning, navigation or any other activity requiring the temporary placement of an illumination device having a switch means operable by rotating the top section about the bottom section enabling the repeated pulsing of the lamp means for light emissions.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: May 28, 1996
    Inventors: George L. Totten, Trevor W. Stewart