Patents by Inventor Duane S. Butcher, Jr.

Duane S. Butcher, Jr. 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).

  • Wrapping film
    Patent number: 5308690
    Abstract: An upper plastic film and a lower plastic film sandwiching a formable stiffening layer fused together to form a stiffened conformable wrapping film.
    Type: Grant
    Filed: September 8, 1992
    Date of Patent: May 3, 1994
    Inventor: Duane S. Butcher, Jr.