21 SILICON DIODES AND OTHER SEMICONDUCTOR DEVICES, INTEGRATED CIRCUITS, ELECTRIC MOTORS, AC/DC POWER SUPPLIES, AND TRANSFORMERS, SEARCHLIGHT LAMPS AND ELECTRIC LIGHT DIMMER SWITCHES
26 INTERVALOMETERS, ACCELEROMETERS, AND GYROSCOPES
Trademark Events
Nov 4, 1992
Expired Sec. 9
Aug 29, 1977
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.