| All Patents in class 451/370 |
Patents 1 -
10
of 19
      |
| Picture | Number | Date | Patentee | Title |
 | 19,641 | Mar. 16, 1858 | L. Jennigs | Holder for Planing Knives while Grinding |
 | 54,036 | Apr. 17, 1866 | N.F. Stone | Improved Cutter Grinder |
 | 79,213 | Jun. 23, 1868 | H. Disston | Improvement in Device for Holding Rotary Cutters while being Ground |
 | 103,739 | May 31, 1870 | O. Hanks | Improvement in Tool-Holders |
 | 193,748 | Jul. 31, 1877 | C.P. Brown | Improvement in Devices for Applying Edge-Tools to Sharpeners |
 | 201,449 | Mar. 19, 1878 | A.K. Rider | Drill Grinder |
 | 348,497 | Aug. 31, 1886 | G.A. Long | Tool-holder for grinding |
 | 470,196 | Mar. 08, 1892 | J.H. Stein, C.J. Jacobson | Tool-holder for grinding tools |
| | 824,275 | Jun. 26, 1906 | B. Bannister | Tool Holder |
 | 1,047,126 | Dec. 10, 1912 | J.M. Hance | Tool-sharpening holder |
