| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1833-05-28 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 7,595X | May 28, 1833 | C. Curtis | Safety steam boiler | steam engines | |
| 7,596X | May 28, 1833 | C. Curtis | Horizontal steam engine | stationary boilers | |
| 7,597X | May 28, 1833 | E. Skinner, J. Webster | Composition paint stone | paint grinding mills | |