Patents Assigned to Youngman Group Limited
  • Publication number: 20130126270
    Abstract: An advanced guard rail connectable between two respective end frames to create an access tower, the advanced guard rail comprising: a frame; and a hook provided at each respective corner of the frame, each hook configured to receive a rung of a respective end frame therein, wherein the distances between the upper hook centres and the lower hook centres are dissimilar, to add additional stiffness to the access tower in use.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 23, 2013
    Applicant: YOUNGMAN GROUP LIMITED
    Inventor: John Sydney Charles Darby
  • Patent number: D657888
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: April 17, 2012
    Assignee: Youngman Group Limited
    Inventor: John Sydney Charles Darby