| Patents Granted on 1865-12-12 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 51,421 | Dec. 12, 1865 | M. Bray | Improvement in machinery for forming sheet-metal ware | punch presses |
| 51,435 | Dec. 12, 1865 | D. Drawbaugh | Improvement in nail-plate feeders | |
| 51,451 | Dec. 12, 1865 | L. Gray | Improvement in Bung-Hole Reamers | tapered reamers |
| 51,458 | Dec. 12, 1865 | J. Jackson | Improvement in machines for cutting wood gears | specialty woodworking machines |
| 51,465 | Dec. 12, 1865 | J.P. Lindsay | Improved Wrench | nut wrenches |
| 51,478 | Dec. 12, 1865 | W.T. Rand, L.H. Rand | Improvement in centering circular saws | circular saws |
| 51,484 | Dec. 12, 1865 | S.T. Sanford | Improvement in single machines | shingle machines |
| 51,506 | Dec. 12, 1865 | W.L. Williams | Improvement in machines for splitting wood | firewood machines |
| 51,517 | Dec. 12, 1865 | B.G. Martin | Combination Calipers and Level | calipers |
| 51,519 | Dec. 12, 1865 | J.B. Reed | Improved Welt-Trimmer | cobbler |
| 51,522 | Dec. 12, 1865 | C.A. Stillman | Improvement in pumps | steam pumps |
