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| Patents for Richardson Bros. | |||||
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| Number | Date | Patentee | Title | Type | |
| 72,766 | Dec. 31, 1867 | F. Washbourne | Saw Bolt | saw nuts | |
| 157,296 | Dec. 01, 1874 | C. Richardson | Improvement in Flattening and Tempering Saws | handsaws | |