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Head window fixture and method
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Patent number 8,201,813
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Issue date Jun 19, 2012
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The United States of America as represented by the Secretary of the Navy
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Wendell C. Maciejewski
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G02 - OPTICS
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Floating periscope
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Patent number 7,279,675
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Issue date Oct 9, 2007
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Rafael-Armament Development
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Yosef Cohen
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G02 - OPTICS
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Underwater microscope system
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Patent number 6,680,795
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Issue date Jan 20, 2004
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The United States of America as represented by the Secretary of the Interior
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Henry Chezar
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G02 - OPTICS
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Underwater seeing device
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Patent number 6,366,415
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Issue date Apr 2, 2002
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Gary R. Reiff
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Underwater microscope
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Patent number 6,313,943
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Issue date Nov 6, 2001
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Kistem Co., Ltd.
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Kazuyoshi Ikado
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G02 - OPTICS
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Waterproof lens barrel
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Patent number 5,953,163
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Issue date Sep 14, 1999
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Hitoshi Tanaka
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G02 - OPTICS
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Underwater color correction
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Patent number 5,940,231
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Issue date Aug 17, 1999
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Biays; Alice de P.T.
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Lawrence A. Westhaver
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Binocular
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Patent number 5,883,738
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Issue date Mar 16, 1999
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Gouji Funatsu
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G02 - OPTICS
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Underwater color correction
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Patent number 5,719,715
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Issue date Feb 17, 1998
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Alice de P.T. Biays
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Lawrence A. Westhaver
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Binocular
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Patent number 5,677,789
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Issue date Oct 14, 1997
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Asahi Kogaku Kogyo Kabushiki Kaisha
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Gouji Funatsu
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G02 - OPTICS
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