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| Patents for George P. Darrow | |||||
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| Number | Date | Patentee | Title | Type | |
| 57,436 | Aug. 21, 1866 | G.P. Darrow | Improvement in Plow-Clevis | clevises | |
| D2,674 | Jun. 18, 1867 | G.P. Darrow | Design for a Plough-Clevis | clevises | |
| 81,480 | Aug. 25, 1868 | G.P. Darrow | Improvement in cast nuts | ||
| D3,785 | Dec. 14, 1869 | G. Johnson (Administrator), G.P. Darrow | Design For A Plow-Clevis | clevises | |