73124318
Apr 26, 1977
Nov 28, 1978
LIGHT DIMMING CONTROLS, AND COMMERCIAL SOUND EQUIPMENT-NAMELY, MICROPHONES, LOUDSPEAKERS AND AMPLIFIERS
Electrical and Scientific ApparatusCOMMERCIAL LIGHTING EQUIPMENT-NAMELY, LIGHTING FIXTURES AND SPOTLIGHTS
Environmental Control ApparatusENTERTAINMENT SERVICES-NAMELY, LEASING COMMERCIAL SOUND SYSTEMS AND LIGHTING EQUIPMENT TO MUSICAL ENTERTAINERS
Education and Entertainment