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| Patents for Nathan Woodhull Condict, Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 55,772 | Jun. 19, 1866 | C.R. James | Improvement in operating hammers and stamps | steam hammers | |
| 142,292 | Aug. 26, 1873 | W.J. Stevens | Improvement in devices for operating the valves of steam-engines | steam engine valve gear | |