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Hoisting platform system
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Patent number 9,701,520
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Issue date Jul 11, 2017
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Mark Alan Pruskauer
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B66 - HOISTING LIFTING HAULING
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Tension sensing device
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Patent number 4,462,484
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Issue date Jul 31, 1984
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Platforms and Power, Inc.
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Richard E. Crudele
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B66 - HOISTING LIFTING HAULING
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3677521
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Patent number 3,677,521
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Issue date Jul 18, 1972
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B66 - HOISTING LIFTING HAULING
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3150744
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Patent number 3,150,744
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Issue date Sep 29, 1964
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B66 - HOISTING LIFTING HAULING
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2809804
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Patent number 2,809,804
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Issue date Oct 15, 1957
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B66 - HOISTING LIFTING HAULING
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2553031
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Patent number 2,553,031
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Issue date May 15, 1951
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B66 - HOISTING LIFTING HAULING
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2493242
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Patent number 2,493,242
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Issue date Jan 3, 1950
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B66 - HOISTING LIFTING HAULING
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2424910
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Patent number 2,424,910
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Issue date Jul 29, 1947
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B66 - HOISTING LIFTING HAULING
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1950289
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Patent number 1,950,289
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Issue date Mar 6, 1934
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B66 - HOISTING LIFTING HAULING
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1950288
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Patent number 1,950,288
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Issue date Mar 6, 1934
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B66 - HOISTING LIFTING HAULING
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1887487
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Patent number 1,887,487
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Issue date Nov 15, 1932
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B66 - HOISTING LIFTING HAULING