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| Patents for John Humphrey | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 16,923 | Mar. 31, 1857 | J. Humphrey | Machine for cutting slots in clothes-pins | |
 | 18,268 | Sep. 22, 1857 | J. Humphrey | Lathe for the manufacture of clothes pins, &c. | |
 | 22,430 | Dec. 28, 1858 | J. Humphrey | Tool for slotting clothes-pins | |
 | 89,483 | Apr. 27, 1869 | J. Humphreys | Improvement in bench-hooks | |