| All Patents in class 451/393 |
Patents 1 -
10
of 55
      |
| Picture | Number | Date | Patentee | Title |
 | 81,608 | Sep. 01, 1868 | J.P. Curtiss | Machine for Grinding Metal Articles |
 | 87,212 | Feb. 23, 1869 | J.D. Smith | Improvement in Machines for Grinding Edge Tools |
 | 199,166 | Jan. 15, 1878 | C.G. Purdy | Improvement in Machines for Polishing Moldings |
 | 204,394 | May 28, 1878 | M. Taplin | Improvement in saw-mill carriages |
| | 206,424 | Jul. 30, 1878 | O.R. Chapman | Metal-Planing Machine |
 | 350,554 | Oct. 12, 1886 | F. Phillips | Planing-Machine Cushioning Device |
 | 374,908 | Dec. 13, 1887 | J.S. Bancroft, W. Sellers | Planing Machine for Metals |
 | 379,163 | Mar. 06, 1888 | A.E. Hoffman | Feed mechanism for saw-mill carriages |
| | 399,762 | Mar. 19, 1889 | L. Malchow | Reciprocating table for holding moldings to be polished |
| | 405,706 | Jun. 25, 1889 | E.R. Hyde | Surface Grinding or Planing Machine |
