| Patents Granted on 1866-12-04 |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| RE2,405 | Dec. 04, 1866 | E.G. Allen | Improvement in railroad frogs | track and switches |
| 60,113 | Dec. 04, 1866 | R. Allen | Improvement in Lathe Clutches | metal lathe chucks |
| 60,114 | Dec. 04, 1866 | M.M. Ammidown | Improvement in drilling machines | drill presses |
| 60,138 | Dec. 04, 1866 | J.C. Chapman | Lathe Chuck | metal lathe chucks |
| 60,151 | Dec. 04, 1866 | A.T. De Puy | Improvement in printers' galleys | printer |
| 60,155 | Dec. 04, 1866 | R.W. Drew | Turning Lathe | metal lathes |
| 60,163 | Dec. 04, 1866 | L.R. Faught | Improvement in turning-lathes | wood lathes |
| 60,169 | Dec. 04, 1866 | C.O. Gardiner | Centering and Squaring Device | metal lathe accessories and attachments |
| 60,186 | Dec. 04, 1866 | R. Hathaway | Improvement in Surface and Depth gauges | surface gauges |
| 60,192 | Dec. 04, 1866 | R.K. Huntoon | Improvement in steam-engine governors | steam engine governors |
| 60,198 | Dec. 04, 1866 | J. Knox | Shoemakers Tool | cobbler |
| 60,206 | Dec. 04, 1866 | E. Lewis | Core Box Plane | |
| 60,207 | Dec. 04, 1866 | H.C. Lewis | Improved Countersink Bit | countersinks |
| 60,214 | Dec. 04, 1866 | P. Maltby | Mandrel | metal lathe accessories and attachments |
| 60,237 | Dec. 04, 1866 | M.M. Pettes | Improved machine for filing saw-teeth | saw sharpening machines |