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| Patents for David M. Boyd | |||||
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| Number | Date | Patentee | Title | Type | |
| 19,233 | Feb. 02, 1858 | D.M. Boyd | Shingle-machine | shingle machines | |
| 32,616 | Jun. 25, 1861 | D.M. Boyd | Tilting device in shingle-machines | shingle machines | |