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| Patents for Newton H. Bolton | |||||
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| Number | Date | Patentee | Title | Type | |
| 120,700 | Nov. 07, 1871 | N.H. Bolton | Improvement in machines for sharpening saws | woodworking machine sharpening mechanisms | |
| 133,964 | Dec. 17, 1872 | N.H. Bolton | Improvement in shingle-machines | shingle machines | |