| Patents Granted on 1854-03-21 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 10,662 | Mar. 21, 1854 | R.P. Benton | Machine for dressing spokes | wheelwright |
| 10,666 | Mar. 21, 1854 | D.H. Chamberlain | Improvement in Screw or Coach-Wrenches | nut wrenches |
| 10,678 | Mar. 21, 1854 | D.A. Cameron | Belt-saw | band sawmills |
| 10,680 | Mar. 21, 1854 | G.W. Livermore | Crozing the ends of staves | barrel making machines |
| 10,683 | Mar. 21, 1854 | A. Wilbur | Machine for jointing staves | barrel making machines |
| 10,684 | Mar. 21, 1854 | A. Wilbur | Crozing-machine | barrel making machines |