| All Patents in class 409/189 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 636,918 | Nov. 14, 1899 | O. Mergenthaler | Automatic milling-machine | milling machines |
| 1,285,820 | Nov. 26, 1918 | C. Vergan, G. Mayer, E.J. Smith | Automatic Milling Machine | milling machines |
| 1,312,394 | Aug. 05, 1919 | G.E. Gustafson, G. Gorton | Metal Working Machine | horizontal boring mills |
| 1,395,373 | Nov. 01, 1921 | H.H. Wanders | Milling Machine | milling machines |
| 1,712,580 | May 14, 1929 | J.R. Parker | Slotting Machine | milling machines |
| 1,718,275 | Jun. 25, 1929 | R.L. Carter | Combined router and work support | routing machines |
