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Diving helmet apparatus
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Patent number 11,926,398
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Issue date Mar 12, 2024
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United States of America as represented by the Secretary of the Navy
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Edward Downs
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A42 - HEADWEAR
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Diving masks
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Patent number 11,097,818
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Issue date Aug 24, 2021
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Dong Guan City Blue Dolphin Sporting Goods Co., Ltd
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Lixiang Liao
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Underwater breathing apparatus
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Patent number 9,789,941
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Issue date Oct 17, 2017
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Scott Andrew Smith
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Diving apparatus
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Patent number 7,730,884
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Issue date Jun 8, 2010
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Tomoyuki Sato
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Supersnorkel
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Patent number 6,401,711
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Issue date Jun 11, 2002
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Kenneth J. Tibbs
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Diver communication equipment
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Patent number 6,008,780
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Issue date Dec 28, 1999
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BG PLC
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Derek William Clarke
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Valve for breathing systems
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Patent number 5,944,054
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Issue date Aug 31, 1999
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Carl J. Saieva
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Underwater breathing apparatus
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Patent number 5,193,530
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Issue date Mar 16, 1993
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Undersea Technology, Inc.
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Rustem I. Gamow
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Diving helmet assembly
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Patent number 4,211,220
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Issue date Jul 8, 1980
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Diver's Exchange, Inc.
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Wilbur J. O'Neill
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Underwater breathing apparatus
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Patent number 3,968,794
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Issue date Jul 13, 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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Underwater breathing apparatus
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Patent number 3,968,795
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Issue date Jul 13, 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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3845768
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Patent number 3,845,768
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Issue date Nov 5, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3835852
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Patent number 3,835,852
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Issue date Sep 17, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT