Patents by Inventor Robert L. Sieggen

Robert L. Sieggen 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).

  • Patent number: 6431177
    Abstract: A cigarette extinguishing and storage device, comprises a first hollow cylinder having an open end and a closed end. A second hollow cylinder constructed of a heat resistant material is concentric to the first cylinder and mounted therein. The second cylinder includes an open end adjacent the open end of the first cylinder and a closed end longitudinally spaced from the closed end of the first cylinder, thus forming an interior space therebetween. A plurality of partitions extend between the closed ends of the first and second cylinders and are positioned to form a plurality of dead air spaces for inhibiting a heat exchange between the closed ends. The second cylinder presents a diameter sufficient to permit a lit cigarette to be received therein. The device includes a third hollow cylinder having an open end and a closed end and having a diameter greater than a diameter of the first cylinder for releasably receiving the first cylinder therein.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: August 13, 2002
    Inventors: Marguerite A. Sieggen, Robert L. Sieggen