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| Patents Granted on 1860-05-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 28,337 | May 22, 1860 | C. Adams | Improvement in Clevises for Plows | clevises | |
| 28,369 | May 22, 1860 | W.H. Henderson | Soldering Clamp | ||
| 28,371 | May 22, 1860 | S. Huffman | Improvement in Sewing-Machines | sewing machines | |
| 28,382 | May 22, 1860 | T.B. Lamb | Vise | lever lock vises | |
| 28,400 | May 22, 1860 | A.T. Haviland, G.M. Nye | Pump-Log Hollow Auger | wood drilling and boring | |
| 28,426 | May 22, 1860 | A. Voorhees | Shortening Tires | tire setters | |