Patents by Inventor Kenneth Barrie Dunbar

Kenneth Barrie Dunbar 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).

  • Device to assist propulson of hand-propelled vehicles
    Publication number: 20040025623
    Abstract: A device with two arms (10, 12) in spaced-apart relationship for secure attachment to a wheel-barrow. A member (26) extends between the two arms (10, 12) and is engaged by an operator contacting the member (26) with their hip/waist area to assist in propelling the wheel-barrow.
    Type: Application
    Filed: September 11, 2003
    Publication date: February 12, 2004
    Inventor: Kenneth Barrie Dunbar
  • Wheelbarrow bracket
    Patent number: D515766
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: February 21, 2006
    Inventor: Kenneth Barrie Dunbar