| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents Granted on 1828-06-23 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 5,148X | Jun. 23, 1828 | L. Langley | Mode of fixing the mariner's compass | mariners compass | |
| 5,149X | Jun. 23, 1828 | J.K. Casey | Improvement called the dormant balance, for the spine | ||