Patents by Inventor Stephen Edward Sparrow

Stephen Edward Sparrow 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: 8833574
    Abstract: The gantry system (10) includes jack legs (12) and header beams (14). The load may be supported on a metal chain (20) comprising of a plurality of metal links (24). Each link has a stop surface (28) for engaging a support plate (30) laterally movable with respect to support structure (18).
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: September 16, 2014
    Assignee: Stephen Edward Sparrow
    Inventor: Stephen Edward Sparrow
  • Publication number: 20120055898
    Abstract: The gantry system (10) includes jack legs (12) and header beams (14). The load may be supported on a metal chain (20) comprising of a plurality of metal links (24). Each link has a stop surface (28) for engaging a support plate (30) laterally movable with respect to support structure (18).
    Type: Application
    Filed: September 7, 2011
    Publication date: March 8, 2012
    Inventor: Stephen Edward Sparrow