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74133293
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Serial number 74133293
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Filing date Jan 25, 1991
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DUPLITRONICS, INC.
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40 - Treatment of materials
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74130391 - DHS
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Serial number 74130391
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Registration number 1699755
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Filing date Jan 14, 1991
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DUPLITRONICS, 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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74042375
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Serial number 74042375
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Registration number 1674843
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Filing date Mar 23, 1990
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DUPLITRONICS, 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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74041505 - WHERE THE SCIENCE AND SOUND MEET
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Serial number 74041505
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Filing date Mar 23, 1990
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DUPLITRONICS, 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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73822843 - DUPLITRONICS
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Serial number 73822843
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Registration number 1598340
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Filing date Sep 1, 1989
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DUPLITRONICS, 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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73731406 - DUPLITRONICS
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Serial number 73731406
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Registration number 1528800
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Filing date May 31, 1988
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DUPLITRONICS, INC.
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40 - Treatment of materials