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| Patents for Stiles & Parker Press Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 130,877 | Aug. 27, 1872 | N.C. Stiles | Improvement in drop-hammers | |
 | 160,483 | Mar. 02, 1875 | N.C. Stiles | Drop Hammer | |
 | 270,146 | Jan. 02, 1883 | N.C. Stiles | Drop-hammer | |
 | RE10,324 | May 08, 1883 | N.C. Stiles | Drop-hammer | |
 | 364,142 | May 31, 1887 | N.C. Stiles | Power-press | |
 | 421,327 | Feb. 11, 1890 | N.C. Stiles | Drop-hammer | |