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| Patents for R. B. Robinson | |||||
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| Number | Date | Patentee | Title | Type | |
| 49,011 | Jul. 25, 1865 | G.S. Tiffany | Improvement in Board Measures | lumber rules | |
| 208,249 | Sep. 24, 1878 | H. Lombard | Whip-rounding machine | wood lathes | |