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| Patents for Joseph E. Silliman | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,868 | Jul. 28, 1857 | W.N. Clark | Auger-Handle Fastening | auger handles | |
| 75,454 | Mar. 10, 1868 | I.T. Payne | Improvement in augers | auger bits | |
| 133,440 | Nov. 26, 1872 | C.L. Griswold | Improvement in Gimlets | gimlets | |