Patents for Edwin Benjamin |
Patents 1 -
10
of 22
      |
Picture | Number | Date | Patentee | Title |
 | 121,447 | Dec. 05, 1871 | E. Benjamin | Improvement in cutters for molding-machines |
 | 137,284 | Apr. 01, 1873 | E. Benjamin | Improvement in sawing-machines |
 | 142,669 | Sep. 09, 1873 | E. Benjamin | Improvement in cutter-heads |
 | 164,634 | Jun. 22, 1875 | E. Benjamin | Improvement in planing-machines |
 | 165,436 | Jul. 13, 1875 | E. Benjamin | Improvement in resawing-machines |
 | 173,439 | Feb. 15, 1876 | E. Benjamin | Improvement in cutter-heads for planing-machines |
 | 196,327 | Oct. 23, 1877 | E. Benjamin | Improvement in machines for planing wood |
 | 196,739 | Nov. 06, 1877 | E. Benjamin | Improvement in chip-breakers for planing-machines |
 | 254,869 | Mar. 14, 1882 | W.H. Halladay | Saw-sharpening machine |
 | RE10,252 | Dec. 05, 1882 | W.L. Covel | Saw-sharpening |