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Callmaster Trademarks
CALLMASTER
Telemarketing services
Cancelled
·
July 1, 2013
·
79139674
·
CALLMASTER
evaluating the telephone performance of a client's sales or customer service personnel, providing educational materials and training to improve job performance
Abandoned
·
May 2, 1996
·
75097885
·
CALLMASTER
DIGITAL VOICE TERMINALS
Cancelled
·
January 17, 1989
·
73775146
·
CALLMASTER
Audio Magnetic Tape Cassettes for Telephone Answering Units
Cancelled
·
June 28, 1982
·
73371785
·
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