| All Patents in class 408/236 |
Patents 31 -
45
of 97
      |
| Number | Date | Patentee | Title | Type |
| 1,473,995 | Nov. 13, 1923 | C.B. Long | Post drill | drilling and boring |
| 1,484,450 | Feb. 19, 1924 | D.C. Klausmeyer | Column Clamping Mechanism | metalworking machine mechanisms |
| 1,496,577 | Jun. 03, 1924 | D.C. Klausmeyer | Discriminating Slip Device | metalworking machine mechanisms |
| 1,500,365 | Jul. 08, 1924 | J.C. Carlton | Transportable Throttle Device | machine tool controls |
| 1,571,620 | Feb. 02, 1926 | F.M. Bettes | Drill holder | handheld power drills |
| 1,571,893 | Feb. 02, 1926 | R.L. Rickwood, D.C. Klausmeyer | Radial Drill Column Clamp | radial drill presses |
| 1,573,552 | Feb. 16, 1926 | D.C. Klausmeyer | Column Binder Control Linkage | radial drill presses |
| 1,600,847 | Sep. 21, 1926 | A.M. Sosa, A.E. Robinson | Drilling Machine | radial drill presses |
| 1,619,190 | Mar. 01, 1927 | J.C. Carlton | Radial Drill | radial drill presses |
| 1,622,725 | Mar. 29, 1927 | D.C. Klausmeyer | Arm Mount with Accessible Gear Unit | industrial machine mechanisms |
| 1,650,756 | Nov. 29, 1927 | D.C. Klausmeyer | Spring Suspended Sleeve | metalworking machine mechanisms |
| 1,658,808 | Feb. 14, 1928 | V. Julien, D.C. Klausmeyer | Drill Column with Coaxial Power Line | metalworking machine mechanisms |
| 1,664,888 | Apr. 03, 1928 | D.C. Klausmeyer | Nested Control for Both Clamp and Speeds | metalworking machine mechanisms |
| 1,708,420 | Apr. 09, 1929 | D.C. Klausmeyer | Monoarm Control | metalworking machine mechanisms |
| 1,710,829 | Apr. 30, 1929 | D.C. Klausmeyer | Sleeve suspension for drills | radial drill presses |
