| All Patents in class 408/136 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 755,528 | Mar. 22, 1904 | W.N. Newton | Drill | |
| 770,156 | Sep. 13, 1904 | C.W. Blood | Boring-machine | wood drilling and boring |
| 832,221 | Oct. 02, 1906 | H.A. Tuttle | Tapping-machine | tapping machines |
| 942,389 | Dec. 07, 1909 | G.D. Wiggins | Horizontal boring and mortising machine | mortising machines |
| 1,032,410 | Jul. 16, 1912 | M. Himoff | Drill-press | drill presses |
| 1,253,594 | Jan. 15, 1918 | J.B. Hasty | Drilling Machine | drill presses |
| 1,333,743 | Mar. 16, 1920 | P.G. Weiss | Portable drill | drill presses |
| 1,421,928 | Jul. 04, 1922 | J.C. Fitzgerald | Drill | drill presses |
| 1,493,142 | May 06, 1924 | C. Bodmer | Hand drill pedestal | |
| 1,748,556 | Feb. 25, 1930 | E.J. McKnight | Boring machine | chair maker |
| 1,852,736 | Apr. 05, 1932 | E.L. Connell | Drilling or tapping machine | |
| 2,038,422 | Apr. 21, 1936 | A.G. Decker | Bench drill stand | |
| 2,318,335 | May 04, 1943 | J.H. McKewen, L.L. Schauer | Spindle control for drilling and tapping machines | drill presses |
| 2,578,995 | Dec. 18, 1951 | M.H. Emrick | Tapping machine | tapping machines |
| 2,882,761 | Apr. 21, 1959 | R.N. Knosp, C.E. Linden, F.O. Wetzel | Radial drill spindle feed | radial drill presses |
