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Heavy duty travel crane
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Patent number 4,537,317
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Issue date Aug 27, 1985
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FMC Corporation
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Lyle B. Jensen
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B66 - HOISTING LIFTING HAULING
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Heavy duty crane
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Patent number 4,483,448
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Issue date Nov 20, 1984
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FMC Corporation
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Leroy L. Wittman
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B66 - HOISTING LIFTING HAULING
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Heavy duty crane
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Patent number 4,394,911
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Issue date Jul 26, 1983
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FMC Corporation
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Leroy L. Wittman
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B66 - HOISTING LIFTING HAULING
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Suspended extensible boom
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Patent number 4,053,058
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Issue date Oct 11, 1977
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FMC Corporation
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Lyle B. Jensen
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B66 - HOISTING LIFTING HAULING