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| Patents for Isaac H. Newton | |||||
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| Number | Date | Patentee | Title | Type | |
| 57,556 | Aug. 28, 1866 | I.H. Newton | Improvement in sawmills | circular sawmills | |
| 63,080 | Mar. 19, 1867 | I.H. Newton | Log-handling apparatus | sawmill log handling | |
| 88,063 | Mar. 23, 1869 | I.H. Newton | Improvement in devices for turning logs in mills | sawmill log handling | |