Patents by Inventor John Francis Boulton

John Francis Boulton 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: 7350254
    Abstract: A bridging unit for use in bridging apparatus for traversing a bridging zone, the bridging unit including a stowage housing which in use is disposed to one side of the zone, a spanning assembly operatively mounted to the stowage housing for movement between a stowed position and a deployed position in which it at least partially traverses the bridging zone in an elevated position, and deployment means operable to cause movement of the spanning assembly between the stowed and deployed positions.
    Type: Grant
    Filed: June 25, 2003
    Date of Patent: April 1, 2008
    Assignee: 19 Dean Street Pty Ltd
    Inventor: John Francis Boulton