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Helmet core
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Patent number D1007768
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Issue date Dec 12, 2023
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PARK & DIAMOND INC.
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David Hall
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D29 - Equipment for safety, protection, and rescue
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Helmet
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Patent number 11,523,652
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Issue date Dec 13, 2022
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PARK & DIAMOND INC.
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David Hall
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A42 - HEADWEAR
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Helmet
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Patent number D907858
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Issue date Jan 12, 2021
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PARK & DIAMOND, INC.
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David Hall
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D29 - Equipment for safety, protection, and rescue
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88808136
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Serial number 88808136
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Filing date Feb 24, 2020
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Park and Diamond, 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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88567496 - PARK DIAMOND
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Serial number 88567496
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Filing date Aug 5, 2019
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Park and Diamond, 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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88117920 - PARK & DIAMOND
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Serial number 88117920
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Filing date Sep 14, 2018
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Park and Diamond, Inc.
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9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments