Semiconductors

Ultrasonic pest repellers, namely, electronic pest repellers; Ultrasonic pest repellers; [ Ultrasonic pest repellers, namely, ultrasonic mosquito repeller; Electric devices for attracting and killing insect, namely, electric insect killing apparatus incorporating an ultraviolet lamp; ] Ultrasonic pest repellers in the nature of electric rodent repelling apparatus, namely, a device that uses sound to repel rodents; Ultrasonic pest repellers in the nature of electrical apparatus, namely, electr...