| All Patents in class 408/52 |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 1,679,506 | Aug. 07, 1928 | A. Storm | Cylinder-renewing machine | cylinder maintenance |
| 1,754,621 | Apr. 15, 1930 | W.R. Fox, H.D. Corwin | Tapping or like machine | |
| 1,782,573 | Nov. 25, 1930 | A.M. Johnson | Machine tool | multiple spindle drill presses |
| 1,783,019 | Nov. 25, 1930 | A.M. Johnson | Honing machine | honing machines |
| 1,803,740 | May 05, 1931 | G. Vanderbeek | Boring machine | wood drilling and boring |
| 1,945,084 | Jan. 30, 1934 | L.L. Schauer | Indexible multiple spindle head for drilling machines | radial drill presses |
| 2,111,784 | Mar. 22, 1938 | A.M. Johnson | Honing machine | honing machines |
| 2,273,870 | Feb. 24, 1942 | E.M. Bowen, F.J. Kampmeier | Machine Tool | milling machines |
| 2,952,065 | Sep. 13, 1960 | J.A. Hansen, K.A. Riedel | Twin Spindle Milling and Boring Machine | milling machines |
