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| Patents for William R. King | |||||
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| Number | Date | Patentee | Title | Type | |
| 371,518 | Oct. 11, 1887 | C.H. Betts, A. Potter | Double-acting force-pump | ||
| 876,651 | Jan. 14, 1908 | E.C. Reed, E.F. Lubke | Pipe Wrench | pipe wrenches | |