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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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Diving apparatus
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Patent number 4,137,912
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Issue date Feb 6, 1979
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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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Diving helmet assembly
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Patent number 4,015,294
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Issue date Apr 5, 1977
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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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Diving helmet system
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Patent number 3,995,627
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Issue date Dec 7, 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 3,968,794
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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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Underwater breathing apparatus
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Patent number 3,965,892
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Issue date Jun 29, 1976
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Westinghouse Electric Corporation
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John R. Colston
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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