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| Patents for William H. Nicholson | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 255,010 | Mar. 14, 1882 | W.H. Nicholson | Expanding Mandrel | |
 | CA-14,634 | Apr. 21, 1882 | W.H. Nicholson | Perfectionnements des Mandrins a Expansion | |
 | 443,627 | Dec. 30, 1890 | W.H. Nicholson | Shaft-Coupling | |
 | 796,854 | Aug. 08, 1905 | W.H. Nicholson | Shaft Coupling | |
 | CA-94,789 | Aug. 22, 1905 | W.H. Nicholson | Joint de Limoniere | |