Patents Assigned to Shinebuild Limited
  • Structural element
    Patent number: 4998391
    Abstract: Device for mounting on the tread (1) of a step of a staircase which comprises a generally planar member adapted to be mounted upon or adjacent the leading edge of the horizontal portion (the tread) of a step of a staircase and extending rearwardly over part or all of the width of the step, which rearwardly extending portion of the member is provided with a strip (14) of photoluminescent material. The invention also provides a flooring grade sheet plastic containing a photoluminescent material suitable for use in the device of the invention.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: March 12, 1991
    Assignee: Shinebuild Limited
    Inventor: Raymond A. Connew