| Patents for American Tool Works Co. |
Patents 1 -
15
of 124
      |
| Number | Date | Patentee | Title | Type |
| 468,183 | Feb. 02, 1892 | W. Shellenback, P. Shellenback | Engine Lathe | metal lathes |
| 518,164 | Apr. 10, 1894 | W. Shellenback | Engine Turning Lathe | engine lathes |
| 615,146 | Nov. 29, 1898 | W. Donaldson | Lathe | |
| 652,692 | Jun. 26, 1900 | A.E. Robinson | Clutch | metalworking machine mechanisms |
| 676,197 | Jun. 11, 1901 | A. Mill | Radial drill | radial drill presses |
| 676,389 | Jun. 11, 1901 | A. Mill | Radial Drill | radial drill presses |
| 709,918 | Sep. 30, 1902 | A. Mill | Friction Clutch | metalworking machine clutches |
| 725,141 | Apr. 14, 1903 | C.F. Laur, A.E. Robinson | Speed Changing Mechanism | metal lathes |
| 755,504 | Mar. 22, 1904 | A.E. Robinson, C.F. Laur | Variable Speed Mechanism | |
| 761,324 | May 31, 1904 | W.L. Schellenbach | Speed Changing Mechanism | metalworking speed changing mechanisms |
| 918,773 | Apr. 20, 1909 | H.W. Schatz | Variable Speed Mechanism | |
| 930,088 | Aug. 03, 1909 | A.E. Robinson | Shaper | metal shapers |
| 946,073 | Jan. 11, 1910 | H.W. Schatz | Variable Speed Mechanism | |
| 948,025 | Feb. 01, 1910 | H.W. Schatz | Variable Speed Mechanism | metalworking variable speed mechanisms |
| 952,050 | Mar. 15, 1910 | H.W. Schatz | Variable Speed Mechanism | metalworking speed changing mechanisms |
