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| Patents for William Nicholson Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 443,627 | Dec. 30, 1890 | W.H. Nicholson | Shaft-Coupling | industrial machine shaft couplings | |
| 817,089 | Apr. 03, 1906 | W. Nicholson, Jr. | Tube-Expander | pipe and tube expanders | |
| 835,111 | Nov. 06, 1906 | W. Nicholson, Jr. | Tapping Apparatus | tapping machines | |