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| Patents for Builders Iron Foundry | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 551,365 | Dec. 17, 1895 | F.N. Connet | Belt Shifter | |
| 779,646 | Jan. 10, 1905 | G. Gorton | Grinding Machine | ||
 | 839,915 | Jan. 01, 1907 | N.H. Anderson | Belt-shifting apparatus | |
 | 944,416 | Dec. 28, 1909 | A.W. Graham, F.N. Connet | Valve | |
 | 1,866,212 | Jul. 05, 1932 | F.E. Stratton, G.T. Huxford | Grinding machine | |
 | 2,019,677 | Nov. 05, 1935 | G.T. Huxford | Surface grinder | |