| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for John Kirkpatrick | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 8,303X | Jul. 10, 1834 | J. Kirkpatrick | Self-balance steam valves | ||
| 8,849X | May 29, 1835 | J. Kirkpatrick | Boiler valves and cam of the steam engine | stationary boilers | |
| 24,152 | May 24, 1859 | R. Nuttall, J. Kirkpatrick | Cutting Screws | cutting-off and centering machines | |