| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for David B. Lee | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 3,886X | Jun. 09, 1824 | D.B. Lee | Mode of generating steam | ||
| 5,508X | Jun. 11, 1829 | D.B. Lee, S. Stewart | Rotary Steam Engine | ||
| 7,972X | Jan. 23, 1834 | D.B. Lee | Valves for steam boilers | ||