Audio amplifiers; Audio circuit boards; Audio speakers; Battery cases; Battery terminal connector clamps; Cards with integrated circuits; Computer heat sinks; Computer peripherals; Graduated glassware; Guitar amplifier accessory, namely, a fitted face plate to affix to an amplifier for use with electric guitars; Heat sinks for use in computers; Heat sinks for use in electronic components; Laboratory equipment, namely, plastic, rubber and elastomer closures, seals and stoppers for laboratory b...