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3581586
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Patent number 3,581,586
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Issue date Jun 1, 1971
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B66 - HOISTING LIFTING HAULING
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3531087
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Patent number 3,531,087
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B66 - HOISTING LIFTING HAULING
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3373622
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Patent number 3,373,622
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3334881
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Patent number 3,334,881
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Issue date Aug 8, 1967
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C21 - METALLURGY OF IRON
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3232127
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Patent number 3,232,127
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Issue date Feb 1, 1966
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B66 - HOISTING LIFTING HAULING
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3142149
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Patent number 3,142,149
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3138030
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3115589
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Patent number 3,115,589
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2790336
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Patent number 2,790,336
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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2713803
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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2712758
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2565883
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Patent number 2,565,883
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2563302
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2227703
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Patent number 2,227,703
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1860914
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Patent number 1,860,914
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Issue date May 31, 1932
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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1802067
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B66 - HOISTING LIFTING HAULING
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1593042
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1523640
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1454398
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Patent number 1,454,398
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B66 - HOISTING LIFTING HAULING
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1443173
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Patent number 1,443,173
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1433175
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Patent number 1,433,175
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1413272
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Patent number 1,413,272
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1411345
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Patent number 1,411,345
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B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
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1369599
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Patent number 1,369,599
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1362267
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1348940
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Patent number 1,348,940
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING