Patents by Inventor William B. Hutchins

William B. Hutchins 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: 6367822
    Abstract: The bag expander comprises a bracket, and comprises a band, the band having a fixed end attached to the bracket, the band being flexed to form a perimeter, the band having a tail through the bracket and distal the perimeter, the band being held with the perimeter fixed by friction between the band and the bracket, and the tail being manually movable through the bracket to enlarge and reduce the perimeter; wherein the bracket is preferably connected to a wheeled cart.
    Type: Grant
    Filed: July 11, 2000
    Date of Patent: April 9, 2002
    Inventor: William B. Hutchins