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Release mechanism
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Patent number 6,241,298
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Issue date Jun 5, 2001
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Easylift Limited
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Ronald Norris Whyte
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B66 - HOISTING LIFTING HAULING
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Choker hook assembly
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Patent number 4,709,952
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Issue date Dec 1, 1987
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Weyerhaeuser Company
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John S. Selby
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Releaseable hook
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Patent number 4,611,842
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Issue date Sep 16, 1986
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Irving Epstein
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Remotely releasable choker
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Patent number 4,569,548
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Issue date Feb 11, 1986
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Weyerhaeuser Company
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Dennis H. Vaders
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B66 - HOISTING LIFTING HAULING
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Remotely releasable choker
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Patent number 4,417,758
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Issue date Nov 29, 1983
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Weyerhaeuser Company
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Dennis H. Vaders
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B66 - HOISTING LIFTING HAULING
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Underwater release mechanism
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Patent number 4,136,415
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Issue date Jan 30, 1979
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James E. Blockburger
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Cable-controlled grab device
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Patent number 4,043,580
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Issue date Aug 23, 1977
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A/S Kongshavn Industri
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Birger Hellmann Thaule
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B66 - HOISTING LIFTING HAULING
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3858728
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Patent number 3,858,728
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Issue date Jan 7, 1975
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B66 - HOISTING LIFTING HAULING
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3848226
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Patent number 3,848,226
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Issue date Nov 12, 1974
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3655232
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Patent number 3,655,232
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Issue date Apr 11, 1972
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B66 - HOISTING LIFTING HAULING
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3647255
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Patent number 3,647,255
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Issue date Mar 7, 1972
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B66 - HOISTING LIFTING HAULING
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3633960
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Patent number 3,633,960
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Issue date Jan 11, 1972
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B66 - HOISTING LIFTING HAULING
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3540770
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Patent number 3,540,770
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Issue date Nov 17, 1970
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B66 - HOISTING LIFTING HAULING
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3501193
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Patent number 3,501,193
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Issue date Mar 17, 1970
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B66 - HOISTING LIFTING HAULING