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| Patents for R. F. Williams | |||||
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| Picture | Number | Date | Patentee | Title | |
| 468,856 | Feb. 16, 1892 | J.P. Williams | Circular-saw mill | ||
 | 873,493 | Dec. 10, 1907 | A.M. Brown | Internal-combustion engine | |
 | 950,509 | Mar. 01, 1910 | W.R. Clough | Bottle-cap lifter | |