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| Patents for Albert U. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 371,387 | Oct. 11, 1887 | A.U. Smith | Countersink | countersinks | |
| 486,239 | Nov. 15, 1892 | A.U. Smith | Machine for Shaping Auger-Heads | making drills and augers | |