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User interface for a welding helmet
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Patent number D957064
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Issue date Jul 5, 2022
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3M Innovative Properties Company
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Linus P. Bastman
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D29 - Equipment for safety, protection, and rescue
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User interface for a welding helmet
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Patent number D918483
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Issue date May 4, 2021
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3M Innovative Properties Co.
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Linus P. Bastman
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D29 - Equipment for safety, protection, and rescue
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Welding helmet
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Patent number D901782
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Issue date Nov 10, 2020
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3M Innovative Properties Company
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Linus P. Bastman
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D29 - Equipment for safety, protection, and rescue
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Welding helmet
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Patent number D893106
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Issue date Aug 11, 2020
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3M Innovative Properties Company
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Linus P. Bastman
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D29 - Equipment for safety, protection, and rescue
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