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Patents for Isaac Hall | |||||
Number | Date | Patentee | Title | Type | |
8,781X | Apr. 22, 1835 | I. Hall | Rotary pumps | pumps | |
75,413 | Mar. 10, 1868 | I. Hall | Improvement in machines for carving in wood | carving machines | |
78,279 | May 26, 1868 | I. Hall | Improvement in wood-carving machines | carving machines |