| All Patents in class 408/18 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 350,141 | Oct. 05, 1886 | A. Latham | Machine for Facing Counterbores | milling machines |
| 461,951 | Oct. 27, 1891 | F.L. Eberhardt, U. Eberhardt | Column Drill Press | |
| 638,880 | Dec. 12, 1899 | W.A. Pendry | Turning Tool | button making machinery |
| 687,025 | Nov. 19, 1901 | B.E. Hervey | Boring and Drilling Machine | woodworking horizontal borers |
| 1,350,525 | Aug. 24, 1920 | W.T. Sears | Saddle and head supporting mechanism for drilling-machines | radial drill presses |
| 1,725,515 | Aug. 20, 1929 | E.W. Peterson, A.H. Hawkinson | Method of sharpening hollow or mortiser chisels | sharpening machines |
