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| Patents for William Grant | |||||
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| Number | Date | Patentee | Title | Type | |
| AI56 | Oct. 14, 1842 | J. Kerr, W. Grant, J. Potter | Ships, sheet-iron steamboats, and other vessels | ||
| 6,046 | Jan. 23, 1849 | W. Grant | Lathe Chuck | metal lathe chucks | |
| 1,793,171 | Feb. 17, 1931 | W. Grant | Knife Blade | ||