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86716535 - GUITAR TUNES
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Serial number 86716535
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Filing date Aug 6, 2015
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Optek Music Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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78378356 - FRETLIGHT
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Serial number 78378356
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Registration number 2933210
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Filing date Mar 4, 2004
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Optek Music Systems, Inc.
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15 - Musical instruments
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75378349 - SMARTLIGHT READY
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Serial number 75378349
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Filing date Oct 23, 1997
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Optek Music Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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75378545 - SMARTLIGHT
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Serial number 75378545
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Filing date Oct 23, 1997
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Optek Music Systems, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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74504732 - OPTEK MUSIC SYSTEMS
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Serial number 74504732
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Registration number 1925137
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Filing date Mar 24, 1994
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OPTEK MUSIC SYSTEMS, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
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74504727 - FRETLIGHT
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Serial number 74504727
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Registration number 1983308
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Filing date Mar 24, 1994
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OPTEK MUSIC SYSTEMS, INC.
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15 - Musical instruments
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