| Patents Granted on 1861-12-10 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 33,884 | Dec. 10, 1861 | W.H. Gwynne | Improvement in Machinery for Rifling Guns | rifling machines |
| 33,899 | Dec. 10, 1861 | C. Morrill | Bit brace with clam action chuck to engage bit recess | brace chucks |
| 33,908 | Dec. 10, 1861 | J. Tilley | Improvement in machines for chamfering barrels | barrel making machines |
| 33,912 | Dec. 10, 1861 | J.J. Welling | Improved Device for Weaning Calves | animal weaners |
| 33,913 | Dec. 10, 1861 | A.H. Wellington | Gummer for large circular saws | saw gummers |