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Crossed roller bearing
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Patent number 4,974,972
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Issue date Dec 4, 1990
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Lucas Western, Inc.
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Robert B. Boosler
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Support system for shaft
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Patent number 4,854,184
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Issue date Aug 8, 1989
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Thurman W. Jessup
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Intermediate shaft thrust balance
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Patent number 4,641,543
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Issue date Feb 10, 1987
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Thurman W. Jessup
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...