Patents by Inventor Mark D. Bergquist

Mark D. Bergquist 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: 6634704
    Abstract: A portable seating device for providing a user with a small, collapsible stool that would be lightweight and portable. The portable seating device includes comprises a plurality of telescoping legs. A band is couplable to the plurality of legs to hold the medial portions of the telescoping legs together to permit spreading of top and bottom portions of the plurality of legs into a supporting position. A seat member is couplable to the top portions of the plurality of legs such that the seat member is held in a spread position when the plurality of legs are in the supporting position whereby the seat member is adapted for supporting a person sitting on the seat member. A line is coupled to the bottom portion of each of the plurality of legs to form a loop for preventing the bottom portions of the plurality of legs from spreading beyond the supporting position.
    Type: Grant
    Filed: June 7, 2002
    Date of Patent: October 21, 2003
    Inventor: Mark D. Bergquist