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73516251 - MERCURY MONITOR
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Serial number 73516251
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Filing date Jan 4, 1985
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Durakool, 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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73467065 - SWITCH SYSTEMS
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Serial number 73467065
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Filing date Feb 24, 1984
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Durakool, 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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73318364
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Serial number 73318364
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Registration number 1200944
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Filing date Jul 10, 1981
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Durakool, 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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73015773 - HERMASEAL
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Serial number 73015773
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Registration number 1006277
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Filing date Mar 13, 1974
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DURAKOOL, 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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73015772 - DURAKOOL
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Serial number 73015772
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Registration number 1006276
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Filing date Mar 13, 1974
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DURAKOOL, 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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71564321 - DURAKOOL
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Serial number 71564321
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Registration number 520055
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Filing date Aug 28, 1948
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DURAKOOL, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments