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Water survival mask
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Patent number 10,420,966
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Issue date Sep 24, 2019
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Charlie Strand
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A62 - LIFE-SAVING FIRE-FIGHTING
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Equipped balancing jacket
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Patent number 6,287,053
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Issue date Sep 11, 2001
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HTM Sport S.p.A.
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Giovanni Garofalo
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Breathing device for diving
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Patent number 5,960,793
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Issue date Oct 5, 1999
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Grand Bleu Inc.
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Shunsuke Matsuoka
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Semiclosed respirator
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Patent number 5,720,279
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Issue date Feb 24, 1998
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Grand Bleu, Inc.
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Yutaka Furuichi
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Underwater diving system
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Patent number 4,237,917
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Issue date Dec 9, 1980
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U.S. Divers Co.
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Daniel B. Merrifield
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Breathing apparatus
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Patent number 4,108,171
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Issue date Aug 22, 1978
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Roland John Nyman
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Underwater diving system
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Patent number 4,062,356
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Issue date Dec 13, 1977
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U.S. Divers Co.
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Daniel B. Merrifield
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Integrated diving system
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Patent number 4,054,132
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Issue date Oct 18, 1977
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Douglas Allen Deeds
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Breathing apparatus
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Patent number 3,934,581
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Issue date Jan 27, 1976
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Westinghouse Electric Corporation
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Wilbur J. O'Neill
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3820348
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Patent number 3,820,348
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Issue date Jun 28, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3568672
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Patent number 3,568,672
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Issue date Mar 9, 1971
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2864101
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Patent number 2,864,101
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Issue date Dec 16, 1958
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT