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| All Patents in class 470/49 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 211,826 | Jan. 28, 1879 | S.L. Worsley | Machine for Nutting Bolts | ||
| 348,182 | Aug. 31, 1886 | C.H. Amidon | Machine for applying heads to bit braces | ||
 | 536,012 | Mar. 19, 1895 | F.P. Bruneau | Nut and Screw Tightening Machine | |
 | 1,350,545 | Aug. 24, 1920 | W.H. Cook | Combined Nut and Washer | |
| 1,480,677 | Jan. 15, 1924 | T. Eynon | Bolt and Nut Assembling Machine | ||