| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Alfred Judson | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,683X | Feb. 23, 1827 | A. Judson | Pump for steam boiler | pumps | |
| 7,755 | Nov. 05, 1850 | J. Judson, A. Judson | Valve for governors | steam engine governors | |
| RE255 | Jan. 10, 1854 | J. Judson, A. Judson | Improved governor-valve for steam-engines | steam engine governors | |