| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John Humphrey | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 16,923 | Mar. 31, 1857 | J. Humphrey | Machine for cutting slots in clothes-pins | clothespin machines | |
| 18,268 | Sep. 22, 1857 | J. Humphrey | Lathe for the manufacture of clothes pins, &c. | wood lathes | |
| 22,430 | Dec. 28, 1858 | J. Humphrey | Tool for slotting clothes-pins | clothespin machines | |
| 89,483 | Apr. 27, 1869 | J. Humphreys | Improvement in bench-hooks | workbench devices | |