| All Patents in class 451/367 |
Patents 1 -
10
of 47
      |
| Picture | Number | Date | Patentee | Title |
 | 7,010X | Apr. 19, 1832 | G.A. Madeira | Machinery for holding and grinding edge tools |
 | 5,902 | Nov. 07, 1848 | J.W. Chapman, W.Z. Chapman | Honing Machine |
 | 43,518 | Jul. 12, 1864 | S.D. McLelland | Improvement in Grinding Edge-Tools |
 | 62,566 | Mar. 05, 1867 | A.R. Reynolds | Machine for Grinding Metal Plates |
 | 93,031 | Jul. 27, 1869 | L. Zimmerman | Improvement in Grinding Edge-Tools |
 | 147,921 | Feb. 24, 1874 | J.P. Fay | Improvement in Tool-Grinding Machines |
 | 173,234 | Feb. 08, 1876 | W.H. Ogilvie | Improvement in Machines for Grinding [Insertable] Saw-Teeth |
 | 183,798 | Oct. 31, 1876 | A.F. Champlin | Improvement in Tools for Sharpening Drills |
 | 193,748 | Jul. 31, 1877 | C.P. Brown | Improvement in Devices for Applying Edge-Tools to Sharpeners |
| | 354,690 | Dec. 21, 1886 | H. Cleary | Tool-holder for grindstones |
