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| Patents for E. R. Hall | |||||
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| Number | Date | Patentee | Title | Type | |
| 89,217 | Apr. 20, 1869 | E.R. Hall | Improvement in wood-sawing machines | firewood machines | |
| 91,121 | Jun. 08, 1869 | E.R. Hall | Improvement in sawing-machines | circular sawmills | |
| 97,393 | Nov. 30, 1869 | W.H. Town, E.R. Hall | Improvement in sawing-machines | reciprocating saws | |