| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John Howarth | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 8,823 | Mar. 23, 1852 | J. Howarth | Planing-machine | wood planers | |
| 103,660 | May 31, 1870 | O. Rock | Improved Shoemaker's Hammer | hammers | |