U.S. federal trademark · Serial No. 73278315 · Reg. No. 1246253
Telephone Equipment-Namely, Key Telephone Station Sets, Key Service Units, Direct Station Selection Consoles, Power Supplies, and Parts Thereof, and Key Telephone Systems Consisting of Some or All of the Foregoing Items of Telephone Equipment; and Private Automatic Branch Exchanges, Switching Units, Power Supplies, Consoles, Telephone Sets, and Parts Thereof
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