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| Patents for William H. Auld | |||||
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| Number | Date | Patentee | Title | Type | |
| 23,887 | May 10, 1859 | W.H. Auld | Machine for sawing shingles | shingle machines | |
| 31,202 | Jan. 22, 1861 | W.H. Auld | Circular sawing machine | circular sawmills | |