| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Jonas W. Leo | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 26,786 | Jan. 10, 1860 | F.W. Robinson | Improvement in horse-power | animal powered apparatus | |
| 30,932 | Dec. 18, 1860 | F.W. Robinson | Improvement in grain-separators | corn and grain separators | |
| 49,791 | Sep. 05, 1865 | F.W. Robinson | Improvement in sawing-machines | drag saws | |