9 ELECTRONIC RATE AND POSITION CONTROL SYSTEMS CONSISTING OF ENCODERS, CONTROL ELECTRONICS AND SERVO MOTORS FOR CONTROLLING THE MOTION OF SUCH DEVICES AS TELESCOPES, PRECISION RADARS, OPTICAL TRACKERS AND RATE TABLES
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Trademark Events
Jun 21, 1999
Expired Sec. 9
Dec 26, 1984
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.