Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1822-03-09 | |||||
Number | Date | Patentee | Title | Type | |
3,469X | Mar. 09, 1822 | D. Ritter | Composition for razor strops | ||
3,470X | Mar. 09, 1822 | B. Tarr | Improvement on Hull's patented truss | ||
3,471X | Mar. 09, 1822 | D. Hascall, J. Hascall | Grist mills | grist mills | |
3,472X | Mar. 09, 1822 | C.M. Graham | Construction of artificial teeth |