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| Patents for William C. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 468,771 | Feb. 09, 1892 | G. Larson | Brace | ||
| 877,135 | Jan. 21, 1908 | C. Stecher | Flanging-machine | ||
| 4,212,336 | Jul. 15, 1980 | W.C. Smith | Screwdriver | screwdriver handles | |