| Patents Granted on 1861-12-__ |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 33,822 | Dec. 03, 1861 | J.C. Brown | Improvement in machines for sawing shingle-bolts | shingle machines |
| 33,837 | Dec. 03, 1861 | T.C. Hargraves | Improved Broom Vise | |
| 33,863 | Dec. 03, 1861 | J.A. Woodbury | Improvement of Projectiles for Smooth-Bored Ordinance | bullets |
| CS-53 | Dec. 06, 1861 | L. Grady | Washing Machine | |
| 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 |
| 33,913 | Dec. 10, 1861 | A.H. Wellington | Gummer for large circular saws | saw gummers |
| XC-1,287 | Dec. 18, 1861 | S. Ray | Ray's improved tub and pail machines | specialty woodworking machines |
| NS-76 | Dec. 21, 1861 | A. McKenzie | Propeller crushing machine | boats and ships |
| 34,033 | Dec. 24, 1861 | J. Young | Improvement in Machines for Removing the Huskd from Corn | corn huskers |
| 34,040 | Dec. 24, 1861 | S. Sawyer | Improved fuse-hood for shells | |
| 34,041 | Dec. 24, 1861 | S. Sawyer | Improvement in mandrels for loading case-shot, &c. | |
| 34,042 | Dec. 24, 1861 | N.W. Spaulding | Improvement in saw-gummers | saw gummers |
