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| Patents for Benjamin F. Merrill | |||||
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| Number | Date | Patentee | Title | Type | |
| 16,081 | Nov. 11, 1856 | J.F. Willey | Excavator | excavators | |
| 80,649 | Aug. 04, 1868 | B.F. Merrill | Improvement in Gauges | special purpose gauges | |