Patents by Inventor David J. Stillwell

David J. Stillwell 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: 4273167
    Abstract: A trash bag holding stand that may be manually assembled without the use of tools to support a pliable bag (such as a plastic bag) in open fillable position.The stand includes a rectangular frame with its corners formed of right angle pipe elbows having sockets disposed at right angles to each other. The sides of the frame are elongated members such as pipes which are telescoped into the respective sockets of the elbows to form the frame. The elbows also have leg-receiving sockets into which legs are telescoped to support the frame. Upstanding pins are disposed on the top surface of the elbows for detachably receiving the plastic bag. The stand may be provided with a cloth bag for receiving the plastic bag to protect it from breaking. A funnel may be provided to facilitate flow of waste material into the plastic bag.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: June 16, 1981
    Inventor: David J. Stillwell