| All Patents in class 408/71 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 1,870,391 | Aug. 09, 1932 | E.B. Stimpson | Tubular rivet drilling machine | riveting machines |
| 1,870,429 | Aug. 09, 1932 | E.B. Stimpson | Rivet drilling machine | riveting machines |
| 1,909,766 | May 16, 1933 | W.M. Fairbairn, A.M. Johnson | Machine tool | tapping machines |
| 1,918,150 | Jul. 11, 1933 | G. Swahnberg, E.J. Kingsbury | Multiple head automatic drilling machine | multiple spindle drill presses |
| 1,942,927 | Jan. 09, 1934 | C.O. Holland, A.M. Johnson | Hydraulically actuated indexing mechanism | indexers and dividers |
| 1,975,006 | Sep. 25, 1934 | E.J. Kingsbury, J.E. Anderson | Indexing and control mechanism for independent metal working units | metalworking machine mechanisms |
| 2,033,686 | Mar. 10, 1936 | F.M. Davis | Multiple operation machine | workpiece changers and storage mechanisms |
| 2,364,884 | Dec. 12, 1944 | W.H. Weimer | Work clamping means for machine tools | milling machines |
| 2,779,220 | Jan. 29, 1957 | O.L. Wright, Jr., R.J. Dunn, Jr. | Universal Drilling Machine | multiple spindle drill presses |
| 3,163,291 | Dec. 29, 1964 | W.C. Gleisner, Jr. | Twin Reader Tool Identifying Apparatus | tool changers and storage mechanisms |
| 3,176,847 | Apr. 06, 1965 | R.K. Sedgwick | Tool Identification System | milling machines |
| 3,513,730 | May 26, 1970 | E.R. Lohneis | Indexing Means for Machine Tool | metalworking machine mechanisms |
| 3,686,979 | Aug. 29, 1972 | W.E. Petri, Jr., R.J. Froese | Index table control | indexers and dividers |
| 3,709,624 | Jan. 09, 1973 | E.D. Blank | Torroidal Boring Head | boring heads |
| 4,075,753 | Feb. 28, 1978 | K.T. Kuck, N.V. Gusching | Plural slide machine | |
