OPTEK MUSIC SYSTEMS
○ Dead · CancelledU.S. federal trademark · Serial No. 74504732 · Reg. No. 1925137
Filing Date
March 24, 1994
Registration Date
October 10, 1995
Class(es)
Class 009, Class 015
Goods & Services
musical instruments and accompanying instructional manuals
microprocessors and prerecorded audio tapes concerning musical instruction
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