73758948
Oct 21, 1988
Sep 17, 1991
ELECTRIC LIGHTING ASSEMBLIES; NAMELY, TRACK LIGHTING ASSEMBLIES CONSISTING OF ELECTRICALLY-BEARING TRACKS, CONNECTORS THEREFOR, AND ELECTRIC LIGHTING UNITS WHICH MAY BE ADJUSTABLY POSITIONED ALONG SUCH TRACKS SOLD AS A UNIT; AND COMPONENTS AND PARTS THEREOF
Environmental Control Apparatus