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