| Patents Granted on 1866-04-17 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| RE2,229 | Apr. 17, 1866 | J.M. Horton | Improvement in Attaching Augers to their Handles | auger handles |
| 53,961 | Apr. 17, 1866 | R.N. Eagle | Ruler | rules |
| 53,977 | Apr. 17, 1866 | J. Hendy | Improvement in saw-mills | circular sawmills |
| 53,981 | Apr. 17, 1866 | T.M. Howard | Improved drilling-machine | drill presses |
| 53,982 | Apr. 17, 1866 | C.B. Hutchinson | Improvement in machines for chamfering and crozing staves | cooper |
| 53,983 | Apr. 17, 1866 | C.B. Hutchinson | Improvement in machines for bending staves | cooper |
| 53,994 | Apr. 17, 1866 | R. Lissenbee | Improved Pivot Lathe | watchmakers lathes |
| 54,010 | Apr. 17, 1866 | C.L. Pierce | Improvement in shingle machines | shingle machines |
| 54,012 | Apr. 17, 1866 | C. Prudden | Improvement in wood-bending machines | wood bending machines |
| 54,019 | Apr. 17, 1866 | H. Rogers | Improvement in shingle machines | shingle machines |
| 54,036 | Apr. 17, 1866 | N.F. Stone | Improved Cutter Grinder | tool making machines |
| 54,040 | Apr. 17, 1866 | T. Symonds | Double-Jawed Wrench | wrench jaw components |
| 54,046 | Apr. 17, 1866 | W.J. Wells | Improvement in sawing machines | reciprocating sawmills |
| 54,047 | Apr. 17, 1866 | J.B. West | Taper lathe | wood lathes |
| 54,069 | Apr. 17, 1866 | D.F. Hartford | Improvement in drill-stocks | spiral drills |
