Patents by Inventor Paul D. La Hue

Paul D. La Hue 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).

  • Method and apparatus for making self-extinguishing cigarette
    Patent number: 4781203
    Abstract: A cigarette making apparatus for making self-extinguishing cigarettes including an electromagnetically actuated spray nozzle for directing a solution of sodium silicate onto a stream of tobacco at predetermined intervals such that when the stream of tobacco is formed into a continuous cigarette rod and the rod is cut into individual cigarettes, the sodium silicate treated portion of the tobacco stream will fall at the midpoint of each finished cigarette.
    Type: Grant
    Filed: May 15, 1985
    Date of Patent: November 1, 1988
    Inventor: Paul D. La Hue