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Grapple
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Patent number 6,412,837
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Issue date Jul 2, 2002
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Magnetech Industrial Services, Inc.
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David M. Futa
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B66 - HOISTING LIFTING HAULING
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Grapple
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Patent number 6,168,219
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Issue date Jan 2, 2001
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David M. Futa
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David Futa
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B66 - HOISTING LIFTING HAULING
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Grapple
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Patent number 5,762,388
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Issue date Jun 9, 1998
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Smith; Carlton G.
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David Futa
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B66 - HOISTING LIFTING HAULING