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2554300
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Patent number 2,554,300
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Issue date May 22, 1951
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2497472
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Patent number 2,497,472
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Issue date Feb 14, 1950
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B60 - VEHICLES IN GENERAL
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1710552
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Patent number 1,710,552
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Issue date Apr 23, 1929
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B66 - HOISTING LIFTING HAULING
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1696122
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Patent number 1,696,122
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Issue date Dec 18, 1928
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B66 - HOISTING LIFTING HAULING
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1660465
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Patent number 1,660,465
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Issue date Feb 28, 1928
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E04 - BUILDING
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1561753
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Patent number 1,561,753
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Issue date Nov 17, 1925
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B66 - HOISTING LIFTING HAULING
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1465146
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Patent number 1,465,146
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Issue date Aug 14, 1923
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1418163
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Patent number 1,418,163
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Issue date May 30, 1922
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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1322935
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Patent number 1,322,935
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Issue date Nov 25, 1919
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B60 - VEHICLES IN GENERAL
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1321604
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Patent number 1,321,604
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B66 - HOISTING LIFTING HAULING
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1261656
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Patent number 1,261,656
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Issue date Apr 2, 1918
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B66 - HOISTING LIFTING HAULING
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1161982
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Patent number 1,161,982
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Issue date Nov 30, 1915
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B66 - HOISTING LIFTING HAULING