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| Patents for Horace S. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,001 | Apr. 07, 1857 | M.S. Richardson, E. Hanson, H.S. Smith | Machine for manufacturing cylindrical boxes | box making machines | |
| 105,007 | Jul. 05, 1870 | W.D. Whitmore, H.S. Smith | Improved machine for Turning Crank-Pins | wrist pin lathes | |
| 111,379 | Jan. 31, 1871 | W. Porter | Improvement in shingle-machines | shingle machines | |
| 125,823 | Apr. 16, 1872 | J.A. Marden | Butt Gage | butt gauges | |