| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Joel Lean Jr. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| GB-181,203,621 | Dec. 10, 1812 | R.W. Fox, Jr., J. Lean, Jr. | Improvements on steam engines and the apparatus needful or expedient to be used with the same | steam engines | |