21 ELECTRONIC EQUIPMENT FOR CABLE TELEVISION SYSTEMS-NAMELY, FREQUENCY CONVERTERS, COAXIAL SWITCHES, AMPLIFIERS, PRE-AMPLIFIERS AND CHANNEL MONITOR UNITS; AND VOLTAGE REGULATORS
Trademark Events
Nov 4, 1992
Expired Sec. 9
Dec 20, 1977
New Certificate Issued, Sec. 7d
Feb 24, 1977
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.