| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1828-09-09 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 5,220X | Sep. 09, 1828 | W. Sapp, J. Smith | Grist mill | grist mills | |
| 5,221X | Sep. 09, 1828 | R. Tyler | Circular and straight lined dividing engine | ||