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| Patents for William Kemble Hall | |||||
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| Number | Date | Patentee | Title | Type | |
| 43,391 | Jul. 05, 1864 | O. Cleveland | Improvement in pencils | writing instruments | |
| 61,938 | Feb. 12, 1867 | A. Hitchcock | Machine Gearing | industrial machine gearing | |
| 177,268 | May 09, 1876 | D.C. Newell | Improvement in machines for separating waste from sawdust | waste collection mechanisms | |
| 193,774 | Jul. 31, 1877 | D.C. Newell | Improvement in safety-traps for chip-carriers in wood-working machinery | waste collection mechanisms | |