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3705640
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Patent number 3,705,640
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Issue date Dec 12, 1972
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B66 - HOISTING LIFTING HAULING
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3220011
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Patent number 3,220,011
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Issue date Nov 23, 1965
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B66 - HOISTING LIFTING HAULING
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2350014
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Patent number 2,350,014
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Issue date May 30, 1944
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B66 - HOISTING LIFTING HAULING
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2248825
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Patent number 2,248,825
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Issue date Jul 8, 1941
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B66 - HOISTING LIFTING HAULING
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2096498
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Patent number 2,096,498
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Issue date Oct 19, 1937
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B66 - HOISTING LIFTING HAULING
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1874893
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Patent number 1,874,893
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Issue date Aug 30, 1932
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B66 - HOISTING LIFTING HAULING
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1761708
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Patent number 1,761,708
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Issue date Jun 3, 1930
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B66 - HOISTING LIFTING HAULING
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1739613
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Patent number 1,739,613
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Issue date Dec 17, 1929
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B66 - HOISTING LIFTING HAULING
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1614257
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Patent number 1,614,257
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Issue date Jan 11, 1927
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B66 - HOISTING LIFTING HAULING
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1551220
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Patent number 1,551,220
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Issue date Aug 25, 1925
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B66 - HOISTING LIFTING HAULING
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1418969
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Patent number 1,418,969
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Issue date Jun 6, 1922
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B66 - HOISTING LIFTING HAULING
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1405853
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Patent number 1,405,853
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Issue date Feb 7, 1922
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B66 - HOISTING LIFTING HAULING
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1242625
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Patent number 1,242,625
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Issue date Oct 9, 1917
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B66 - HOISTING LIFTING HAULING
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1192609
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Patent number 1,192,609
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Issue date Jul 25, 1916
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B66 - HOISTING LIFTING HAULING
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1089763
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Patent number 1,089,763
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Issue date Mar 10, 1914
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B66 - HOISTING LIFTING HAULING
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1053038
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Patent number 1,053,038
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Issue date Feb 11, 1913
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B66 - HOISTING LIFTING HAULING
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1004879
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Patent number 1,004,879
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Issue date Oct 3, 1911
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B66 - HOISTING LIFTING HAULING
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1001337
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Patent number 1,001,337
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Issue date Aug 22, 1911
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B66 - HOISTING LIFTING HAULING
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850100
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Patent number 850,100
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Issue date Apr 9, 1907
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B66 - HOISTING LIFTING HAULING
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840659
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Patent number 840,659
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Issue date Jan 8, 1907
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B66 - HOISTING LIFTING HAULING
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837888
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Patent number 837,888
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Issue date Dec 4, 1906
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B66 - HOISTING LIFTING HAULING