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| Patents for John B. Smith | |||||
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| Number | Date | Patentee | Title | Type | |
| 10,553 | Feb. 21, 1854 | J.B. Smith | Machine for slitting clothes-pins | clothespin machines | |
| 85,338 | Dec. 29, 1868 | J.B. Smith | Improvement in machine for making clothes-pins | clothespin machines | |
| 144,152 | Oct. 28, 1873 | J.B. Smith | Improvement in machinery for making clothes-pins | wood lathes | |
| CA-3,460 | May 29, 1874 | J.B. Smith, J.D. Sleeper | Improvement on machines for making clothes pins, called "Smith's Clothes Pin Machine" | clothespin machines | |