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Patents Granted on 1841-04-10 | |||||
Number | Date | Patentee | Title | Type | |
2,038 | Apr. 10, 1841 | C. Manning | Machine for cutting staves | barrel making machines | |
2,040 | Apr. 10, 1841 | R. Porter, J.F. Schermerhorn | Improvement in agricultural machines for tilling and planting at the same operation | cultivators and tillers |