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73283773 - FEATHERFONE
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Serial number 73283773
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Registration number 1192476
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Filing date Oct 29, 1980
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Pickering & Company, 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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73032946 - FOR THOSE WHO CAN HEAR THE DIFFERENCE
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Serial number 73032946
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Registration number 1050536
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Filing date Sep 25, 1974
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PICKERING & COMPANY, 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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72264159 - DUSTAMATIC
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Serial number 72264159
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Registration number 855026
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Filing date Feb 7, 1967
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PICKERING & COMPANY, INC.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments