| All Patents in class 451/155 |
Patents 1 -
10
of 32
      |
| Picture | Number | Date | Patentee | Title |
 | 76,755 | Apr. 14, 1868 | G.F. Hammer | Spindle sander |
 | 125,948 | Apr. 23, 1872 | A.S. Gear | Oscillating spindle sander |
| | 129,402 | Jul. 16, 1872 | T. Goodrum | Improvement in Machines for Polishing the Inner Surfaces of Cylinders |
 | 140,832 | Jul. 15, 1873 | J. Rigney, J.P. Kealy | Machine for dressing lathe centers |
 | 151,669 | Jun. 02, 1874 | M. Newman | Improvement in metal shaping and dressing machines |
| | 196,063 | Oct. 09, 1877 | H. Wickham, Jr. | Grinding Machine |
 | 209,648 | Nov. 05, 1878 | A. Bridgman | Improvement in sandpapering-machines |
 | 252,063 | Jan. 10, 1882 | J.L. Taplin | Grinding and polishing machine |
 | 449,666 | Apr. 07, 1891 | J.E. Carpenter | Wood-polishing machine |
| | 542,099 | Jul. 02, 1895 | B. Bloomheart, W.F. Nichols | Grinding Apparatus |
