| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1827-12-22 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 4,946X | Dec. 22, 1827 | C. Watson | Inclined and vertical tread wheel | ||
| 4,947X | Dec. 22, 1827 | E. Bryan | Submarine propeller, or machine to propel vessels at sea | ||
| 4,948X | Dec. 22, 1827 | J. Lusk | Art of distilling | ||
| 4,949X | Dec. 22, 1827 | S. Newton | Common spectacles and single eye-glasses | ||