Patents by Inventor William F. Graeff

William F. Graeff 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: 6030010
    Abstract: Apparatus for supporting a trash bag for use in collecting leaves, cuttings and other lawn debris comprises a frame assembly formed of a metal rod bent into a substantially rectangular shape with a pair of generally S-shaped terminations. A pair of feet formed of metal strips welded to the rod support the frame in an upright position for ease in filling the trash bag with debris. The rod is adapted to be flexed into engagement with the bag to retain it securely in position by means of a handle which holds the frame in an outwardly flexed condition against the bag.
    Type: Grant
    Filed: October 16, 1998
    Date of Patent: February 29, 2000
    Inventor: William F. Graeff