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| Patents for F. F. Smith | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 30,691 | Nov. 20, 1860 | F.F. Smith | Improvements in Making Plow-Plates From Molten Steel | |
 | 41,464 | Feb. 02, 1864 | F.F. Smith | Improvement in Cooling and Tempering Cast Steel Plow Plates | |
 | RE1,705 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates | |
 | RE1,706 | Jun. 21, 1864 | F.F. Smith | Making Plow Plates | |
 | 147,397 | Feb. 10, 1874 | L.P. Hoyt | Improvement in feed-rollers for planers | |