Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1831-03-21 | |||||
Number | Date | Patentee | Title | Type | |
6,427X | Mar. 21, 1831 | N. Millis | Manufacturing boots and shoes with nails and pegs | nail making machines | |
6,428X | Mar. 21, 1831 | G. Shetter | Wood auger | auger bits | |
6,429X | Mar. 21, 1831 | A.W. Summers | Float and tooth thrashing machine | miller |