Patents by Inventor Dennis Michael Krawchuk

Dennis Michael Krawchuk 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: 6969113
    Abstract: A plastic folding chair comprises a support frame, a main frame and a seat frame. The support frame further comprises a pair of parallel rear legs. Each rear leg is reinforced by an internal insert and may haves a rear surface incorporating a wedge that facilitates stacking.
    Type: Grant
    Filed: June 1, 2004
    Date of Patent: November 29, 2005
    Inventor: Dennis Michael Krawchuk