Patents by Inventor Duane Earl Harrington

Duane Earl Harrington 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).

  • Integral cigarette paper holder element
    Patent number: 4033358
    Abstract: Cigarette paper with an integral support for holding a cigarette that has been consumed in substantial part, comprising a deformable wire incorporated longitudinally along the length of the paper containing the smoking medium, the wire being exposed for manipulation into a finger supported holder for the remainder of the cigarette.
    Type: Grant
    Filed: April 6, 1976
    Date of Patent: July 5, 1977
    Inventor: Duane Earl Harrington