| All Patents in class 451/213 |
Patents 1 -
10
of 101
      |
| Picture | Number | Date | Patentee | Title |
 | 29,512 | Aug. 07, 1860 | E.W. Nichols | Holder for Polishing-Wheels |
 | 67,480 | Aug. 06, 1867 | E.C. Atkins | Improvement in machines for grinding saws |
 | 68,854 | Sep. 17, 1867 | J.H. Diedrichs, M.A. Diedrichs | Grinding and Polishing Metals |
 | 70,479 | Nov. 05, 1867 | J.H. Sternbergh | Improvement in Metal Planers |
 | 70,483 | Nov. 05, 1867 | A. Thomas | Lathe Way Smoother |
 | 81,126 | Aug. 18, 1868 | E. Andrews | Improvement in saw-grinding machines |
 | 83,405 | Oct. 27, 1868 | J.L. Otis | Improvement in Grinding Machines |
 | 100,089 | Feb. 22, 1870 | G. Walker | Improvement in Saw-Grinding Machine |
 | 134,296 | Dec. 24, 1872 | G.W. Libbey | Grinding Machines |
 | 139,773 | Jun. 10, 1873 | J.W. Cole | Improvement in machines for forming, shaping, and dressing journal-boxes |
