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| All Patents in class 72/187 | |||||
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| Number | Date | Patentee | Title | Type | |
| 56,825 | Jul. 31, 1866 | A.C. Stone | Machine for Rolling Metal | rolling mills | |
| 75,893 | Mar. 24, 1868 | B.W. Foster | Machine for Making Carriage Axles | axle making machines | |
| 303,350 | Aug. 12, 1884 | P.A. Whitney | Riveting Machine | riveting machines | |