Patents Assigned to Self-Powered Lighting Inc.
  • Self-luminous safety sign
    Patent number: 4383382
    Abstract: A self-luminous safety sign with variable legend capability. A housing supports a faceplate having safety warnings or symbols thereon. Self-luminous lights, adapted to illuminate selected characters or symbols on the faceplate without external electrical connections, are selectively mounted in the housing. The lights are removable from and displaceable within the housing so that the desired characters or symbols on the faceplate can be illuminated.
    Type: Grant
    Filed: October 1, 1980
    Date of Patent: May 17, 1983
    Assignee: Self-Powered Lighting Inc.
    Inventor: William Hegarty