Electric Audio Consoles for Musical and Theatrical Entertainment; Electric Lighting Control Consoles; Electric Control Units for Lighting and Sound Amplification-Namely, Electric Control Circuits, Isolation Circuits and Interface Circuits
Electrical and Scientific ApparatusElectric Lighting Fixtures for Theatrical Lighting, Stage Lighting, Dance Floor Lighting, Television Lighting, Special Effects Lighting and Architectural Lighting, and Small Electric Lighting Fixtures
Environmental Control Apparatus