All Patents in class 451/254 |
Patents 1 -
10
of 14
      |
Picture | Number | Date | Patentee | Title |
| 26,810 | Jan. 10, 1860 | T. Blume | Machine for Facing Pulleys |
 | 36,548 | Sep. 23, 1862 | P. Pryibil | Improved machine for cutting crystals |
 | 90,620 | May 25, 1869 | C.V. Woerd | Lathe for Grinding and Polishing Pivots of Watch work |
| 411,729 | Sep. 24, 1889 | W.J. Perkins | Saw-grinding machine |
| 422,323 | Feb. 25, 1890 | J.W. Strouse | Apparatus for truing the periphery of circular saws |
| 463,995 | Nov. 24, 1891 | F. Rattek | Locomotive Engine Wheel Lathe |
| 806,244 | Dec. 05, 1905 | J.I. Depew | Disk-Sharpener |
 | 1,223,155 | Apr. 17, 1917 | A.M. Drake | Table driving and feeding mechanism for grinding machines |
| 1,260,361 | Mar. 26, 1918 | P.E. Gaire | Grinding Machine |
 | 1,262,540 | Apr. 09, 1918 | J. Miller | Grinding Machine |