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| Patents for Ralph Emerson | |||||
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| Number | Date | Patentee | Title | Type | |
| 129,118 | Jul. 16, 1872 | R. Emerson | Improvement in machinery for making clothes-pins | clothespin machines | |
| 160,142 | Feb. 23, 1875 | J. Behel | Improvement in cultivators | cultivators and tillers | |