Patents by Inventor Allan B. Williamson

Allan B. Williamson 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).

  • WHEELBARROW CHUTE ATTACHMENT
    Publication number: 20090212517
    Abstract: A chute apparatus with a lip, a spout, and two or more sidewalls is disclosed. When attached to a wheelbarrow, the chute apparatus rests on the rim of the wheelbarrow. Attachment to the wheelbarrow can be either permanent or temporary. A wide variety of different fasteners can be used to fasten the chute apparatus to the wheelbarrow.
    Type: Application
    Filed: February 25, 2008
    Publication date: August 27, 2009
    Inventors: Timothy Stark, Allan B. Williamson
  • Wheelbarrow chute attachment
    Patent number: 6908089
    Abstract: A semi-enclosed pouring chute attachment for a wheelbarrow. The attachment sits on the front of the wheelbarrow and is secured by upper side channels and either rope of shock/bungee cords from the sides of the attachment to the handles of the wheelbarrow. In an alternate embodiment, the wheelbarrow container may have a funnel end as an integral part thereof.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: June 21, 2005
    Inventors: Timothy R. Stark, Allan B. Williamson
  • Wheelbarrow chute
    Patent number: D490584
    Type: Grant
    Filed: May 14, 2003
    Date of Patent: May 25, 2004
    Inventors: Timothy R. Stark, Allan B. Williamson