| All Patents in class 409/103 |
Patents 1 -
10
of 15
      |
| Picture | Number | Date | Patentee | Title |
| | 1,952,231 | Mar. 27, 1934 | G.V. Anderson | Milling Machine |
| | 1,978,389 | Oct. 23, 1934 | H. Ernst, B. Sassen | Automatic Pattern Controlled Milling Machine |
| | 1,997,891 | Apr. 16, 1935 | E.L. Wall | Universal Die Sinking Attachment for Horizontal Milling Machines |
| | 2,030,022 | Feb. 04, 1936 | C.H. Kain | Hydraulically Controlled Duplicating Machine |
| | 2,039,294 | May 05, 1936 | J.C. Campbell | Automatic Manual Control Subordinator for Tracer Controlled Machines |
| | 2,107,063 | Feb. 01, 1938 | E.G. Roehm | Pattern Controlled Milling Machine |
| | 2,190,988 | Feb. 20, 1940 | E.K. Johansen | Duplicating Machine |
| | 2,199,465 | May 07, 1940 | M.E. Martellotti | Pattern Controlled Milling Machine |
| | 2,221,459 | Nov. 12, 1940 | B. Sassen | Manually Controlled Contour Machine |
| | 2,239,625 | Apr. 22, 1941 | H. Fritschi, E.G. Roehm | Profile Milling Machine |
