| All Patents in class 451/246 |
Patents 1 -
10
of 50
      |
| Picture | Number | Date | Patentee | Title |
 | 30,209 | Oct. 02, 1860 | J.D. Custer | Saw-grinding machine |
 | 39,317 | Jul. 21, 1863 | J. Dodge | Improvement in machines for grinding and polishing cutlery |
 | 76,301 | Apr. 07, 1868 | E. Carrington, E.O. Carrington | Improvement in Machine for Grinding and Cutting Down Augers |
 | 175,262 | Mar. 28, 1876 | H.D. Stover | Improvement in machines for polishing diamonds, &c. |
| | 215,901 | May 27, 1879 | C. Fest | Grinding Lathe |
 | 253,778 | Feb. 14, 1882 | H.R. Sillman | Machine for making spools, &c. |
 | 286,810 | Oct. 16, 1883 | F. Hanson | Wood-turning lathe |
| | 344,777 | Jun. 29, 1886 | G.M. Griswold | Automatic Metal Grinding Machine |
 | 372,001 | Oct. 25, 1887 | C.V. Woerd | Lathe for Forming Pivots of Balance Wheel Staffs |
| | 400,660 | Apr. 02, 1889 | H.C. Gilbert | Machine for grinding Shimer-molding bits, &c. |
