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| Patents for Stephen Wilcox Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 30,701 | Nov. 20, 1860 | S. Wilcox, Jr. | Air Engine | hot air engines | |
| RE1,942 | Apr. 25, 1865 | S. Wilcox, Jr. | Air Engine | hot air engines | |
| 54,090 | Apr. 24, 1866 | G.H. Babcock, S. Wilcox, Jr. | Improvement in cut-off valves | steam engine valves | |