Patents by Inventor Warren D. Sawyer

Warren D. Sawyer 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).

  • Laundry hamper
    Patent number: 4739880
    Abstract: A hamper comprising a bag formed to have a closed bottom end, an open top end and a sidewall extending therebetween, a cylindrical shell insertable into the bag to provide an upright support, the shell having an upper edge defining a shell upper opening plane, and the bag having a drawstring for drawing the open end into a bag opening smaller than the shell upper opening and lying generally in the shell upper opening plane.
    Type: Grant
    Filed: October 2, 1987
    Date of Patent: April 26, 1988
    Inventors: Warren D. Sawyer, Mark W. Sawyer