1
Dennis Leach, Clive Dinmore: Electrical supply system. Courtney Pope Lighting, Beveridge DeGrandi & Weilacher, December 18, 1990: US04979081 (146 worldwide citation)

The invention relates to an electrical supply system for electrical lighting installations and the like. The system comprises a track having an elongate insulating member housing first and second conductors extending longitudinally in spaced apart relationship and a plurality of like connectors each ...


2
Herbert D Freed, Dennis Leach: Flexible light rail. Gunn Lee & Jackson, October 17, 1989: US04874320 (121 worldwide citation)

A light rail system for supporting light fixtures which is flexible so as to conform to curved and irregular surfaces. The light rail has two strips, fabricated from a single piece of conductive material, surrounded by upper and lower tracks of thermoplastic material. Extensions from the strips form ...