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| Patents for William T. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 151,446 | May 26, 1874 | W.T. Smith | Improvement in cutter-heads | cutterheads | |
| 304,760 | Sep. 09, 1884 | W.T. Smith | Lumber-stacker | woodworking machine material handling | |
| 390,525 | Oct. 02, 1888 | W.T. Smith | Log-carriage for saw-mills | sawmill carriages | |
| 514,607 | Feb. 13, 1894 | W.T. Smith | Piano-leg machine | music instrument maker | |
| 590,343 | Sep. 21, 1897 | B. Walmsley, W.T. Smith | Slotting Machine | metal slotting machines | |