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73225233 - PATRAN
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Serial number 73225233
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Registration number 1268524
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Filing date Jul 30, 1979
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Prototype Development Associates, 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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73208855 - THERMOSHIELD
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Serial number 73208855
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Registration number 1153750
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Filing date Mar 26, 1979
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Prototype Development Associates, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments