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Portable winch
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Patent number 6,241,215
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Issue date Jun 5, 2001
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Mannesmann AG
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Udo Gersemsky
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Torque support
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Patent number 6,158,302
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Issue date Dec 12, 2000
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Mannesmann AG
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Eberhard Becker
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B66 - HOISTING LIFTING HAULING
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Securing ring
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Patent number 6,065,920
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Issue date May 23, 2000
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Mannesmann AG
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Eberhard Becker
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Chain guide
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Patent number 4,792,323
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Issue date Dec 20, 1988
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Mannesmann AG
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Heinz Flaig
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B66 - HOISTING LIFTING HAULING
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Overload protection
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Patent number 4,763,768
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Issue date Aug 16, 1988
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Mannesmann Aktiengesellschaft
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Heinz Flaig
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H01 - BASIC ELECTRIC ELEMENTS
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Safety mechanism for a hoist
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Patent number 4,520,998
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Issue date Jun 4, 1985
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Mannesmann Aktiengesellschaft
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Heinz Flaig
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B66 - HOISTING LIFTING HAULING
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