| All Patents in class 408/129 |
Patents 31 -
45
of 57
      |
| Number | Date | Patentee | Title | Type |
| 883,481 | Mar. 31, 1908 | G.T. Reiss | Multiple Drill | multiple spindle drill presses |
| 920,011 | Apr. 27, 1909 | T.M. Boggs | Boring, Drilling and Tapping Machine | drilling and boring |
| 962,024 | Jun. 21, 1910 | L.F. Hart | Screw Cutting Device | pipe threading machines |
| 975,728 | Nov. 15, 1910 | O.A. Smith | Nut Feed for Tapping Machine | |
| 983,746 | Feb. 07, 1911 | R. Milne | Feed mechanism for drill-spindles | drill presses |
| 1,135,974 | Apr. 13, 1915 | C.J. Wetsel | Multiple-spindle drilling-machine | multiple spindle drill presses |
| 1,504,192 | Aug. 05, 1924 | W.R. Fox | Drilling-machine-oiling system | |
| 1,512,231 | Oct. 21, 1924 | O.W. Mueller | Safety means for drilling machines | radial drill presses |
| 1,597,780 | Aug. 31, 1926 | W.R. Fox | Multiple-spindle-drilling machine | |
| 1,622,725 | Mar. 29, 1927 | D.C. Klausmeyer | Arm Mount with Accessible Gear Unit | industrial machine mechanisms |
| 1,684,344 | Sep. 11, 1928 | J.C. Carlton | Trasmission for Radial Drill Arms, Elevating Mechanism and Drill Spindles | radial drill presses |
| 1,735,400 | Nov. 12, 1929 | A.M. Johnson | Tool-spindle brake mechanism | drill presses |
| 1,743,505 | Jan. 14, 1930 | E. Turgeon | Screwdriver | screwdrivers |
| 1,766,364 | Jun. 24, 1930 | J.A. Waller | Hinge Mortising Tool | butt gauges |
| 1,829,393 | Oct. 27, 1931 | R.L. Carter | Combined router and shaper | routing machines |
