| All Patents in class 409/198 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 1,061,973 | May 20, 1913 | C.E. Bilton | Milling-machine |
| | 1,689,635 | Oct. 30, 1928 | N.M. Marsilius | Milling machine |
| | 1,756,831 | Apr. 29, 1930 | N.M. Marsilius | Milling machine |
| | 1,860,840 | May 31, 1932 | N.M. Marsilius, O.A. Olsen | Milling machine |
| | 1,865,198 | Jun. 28, 1932 | N.M. Marsilius | Milling machine |
| | 1,895,333 | Jan. 24, 1933 | N.M. Marsilius | Milling machine for connecting rods |
| | 1,911,574 | May 30, 1933 | J.D. Karle | Commutator Slotting Machine |
 | 1,959,435 | May 22, 1934 | N.M. Marsilius | Milling machine |
| | 2,161,268 | Jun. 06, 1939 | W.F. Zimmermann | Conoidal Bit Cutting Machine |
| | 2,161,269 | Jun. 06, 1939 | W.F. Zimmermann | Machine for Slotting Cutter Bodies |
