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Patent number 2,566,602
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2415848
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Patent number 2,415,848
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2414465
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Patent number 2,414,465
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2179434
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Patent number 2,179,434
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2174914
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Patent number 2,174,914
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2168030
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Patent number 2,168,030
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2062666
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Patent number 2,062,666
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1987295
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Patent number 1,987,295
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1779821
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Patent number 1,779,821
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Patent number 1,774,466
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Patent number 1,627,859
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1441878
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Patent number 1,393,623
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1240549
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Patent number 210,197
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172547
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Patent number 172,547
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160053
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Issue date Oct 7, 1862
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