| All Patents in class 408/103 |
Patents 1 -
10
of 34
      |
| Picture | Number | Date | Patentee | Title |
 | 4,085 | Jun. 20, 1845 | J.B. Coffin | Boring-machine |
 | 5,011 | Mar. 13, 1847 | J. Johnson | Boring-machine |
 | 7,045 | Jan. 22, 1850 | E.K. Wisell | Chuck for boring and mortising machines |
 | 12,437 | Feb. 27, 1855 | W.B. Emery | Method of adjusting cylinders in boring-machines |
 | 16,399 | Jan. 13, 1857 | J.A. Reynolds | Tubular Auger |
 | 18,448 | Oct. 20, 1857 | C.H. Guard | Wheelwright-machine |
 | 32,072 | Apr. 16, 1861 | C. Luther | Wheelwright's machine |
 | 62,408 | Feb. 26, 1867 | N.W. Graves | Improvements in machines for sawing wagon felloes |
 | 95,627 | Oct. 12, 1869 | A. Allan | Improvement in boring-tool |
 | 97,499 | Dec. 07, 1869 | F.M. Gibson | Improvement in boring-machine |
