Patents by Inventor Julia Barfield

Julia Barfield 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).

  • Observation tower
    Patent number: 8696479
    Abstract: The present invention relates to an observation tower, particularly a tower having a moveable observation enclosure. An embodiment of the observation tower comprises an upright support member with an annular observation enclosure that projects radially outward from the support member and has a tapering aerodynamic exterior profile. The observation enclosure is moveable up and down the support member.
    Type: Grant
    Filed: June 8, 2005
    Date of Patent: April 15, 2014
    Assignee: Marks Barfield Limited
    Inventors: David Marks, Julia Barfield
  • Observation Tower
    Publication number: 20080185224
    Abstract: The present invention relates to an observation tower, particularly a tower having a moveable observation enclosure. An embodiment of the observation tower comprises an upright support member with an annular observation enclosure that projects radially outward from the support member and has a tapering aerodynamic exterior profile. The observation enclosure is moveable up and down the support member.
    Type: Application
    Filed: June 8, 2005
    Publication date: August 7, 2008
    Inventors: David Marks, Julia Barfield