| Patents for American Tool Works Co. |
Patents 46 -
60
of 124
      |
| Number | Date | Patentee | Title | Type |
| 1,699,816 | Jan. 22, 1929 | A.M. Sosa, H. Baerbalck | Lubricating device | metal shapers |
| 1,700,966 | Feb. 05, 1929 | H. Baerbalck | Metal Working Machinery | metal shapers |
| 1,700,967 | Feb. 05, 1929 | H. Baerbalck | Metal Working Machinery | metal shapers |
| 1,701,275 | Feb. 05, 1929 | W.L. Schellenbach | Lathe Mechanism | metal lathe mechanisms |
| 1,703,791 | Feb. 26, 1929 | W.G. Hoelscher, A.M. Sosa | Feeding Mechanism for Drilling Machinery | radial drill presses |
| 1,706,824 | Mar. 26, 1929 | H.W. Schatz, S.M. Ratliff | Radial Drilling Machine | radial drill presses |
| 1,724,430 | Aug. 13, 1929 | W.G. Hoelscher, A.M. Sosa | Drilling Machinery | radial drill presses |
| 1,764,810 | Jun. 17, 1930 | W.G. Hoelscher, A.M. Sosa | Elevating Mechanism for Drilling Machines | radial drill presses |
| 1,814,963 | Jul. 14, 1931 | W.L. Schellenbach, A.E. Robinson | Drill Arm for Metal Drilling Machinery | radial drill presses |
| 1,815,012 | Jul. 14, 1931 | W.L. Schellenbach | Tool attachments for lathes | metal lathe accessories and attachments |
| 1,847,446 | Mar. 01, 1932 | W.L. Schellenbach, A.E. Robinson | Metal Shaping Machine | metal shapers |
| 1,850,302 | Mar. 22, 1932 | W.G. Hoelscher | Transmission | metal lathe mechanisms |
| 1,854,672 | Apr. 19, 1932 | C.E. Black, A.E. Robinson | Chip control device | metal lathe accessories and attachments |
| 1,855,882 | Apr. 26, 1932 | R.L. Williamson, W.G. Hoelscher | Reversing Gear and Clutch Mechanism | metalworking speed changing mechanisms |
| 1,861,030 | May 31, 1932 | W.L. Schellenbach | Radial drill | radial drill presses |
