Patents by Inventor Ferdinand Bristol

Ferdinand Bristol 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).

  • Drywall lift assembly including a center telescopically extendable lifting means
    Patent number: 7581915
    Abstract: The present invention concerns that of a new and improved drywall lift assembly that allows a single individual to support and hold a single drywall panel while he or she would be affixing this panel to a wall or ceiling of a residential or commercial building. The drywall lift assembly includes a flat panel base, a telescoping pole assembly on top of the flat panel base, a support assembly atop the telescoping pole assembly for mounting an item of drywall or flat panel sheeting, and an extension ladder attached to the telescoping pole assembly. The support assembly can move in relation to the telescoping pole assembly so that piece of drywall or flat panel can be placed on either a ceiling or a wall surface.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: September 1, 2009
    Inventor: Ferdinand Bristol
  • Electronic book with hinge connected touch screen
    Patent number: D602490
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: October 20, 2009
    Inventor: Ferdinand Bristol