| All Patents in class 409/102 |
Patents 1 -
10
of 28
      |
| Picture | Number | Date | Patentee | Title |
| | 1,952,230 | Mar. 27, 1934 | G.V. Anderson | Automatic Profile Milling Machine |
| | 1,978,390 | Oct. 23, 1934 | B. Sassen | Pattern Controlled Machine Tool |
| | 1,997,892 | Apr. 16, 1935 | E.L. Wall | Duplicating Machine |
| | 2,003,557 | Jun. 04, 1935 | B. Sassen | Hydraulically Controlled Automatic Die Sinking Machine |
| | 2,007,231 | Jul. 09, 1935 | E.L. Wall | Duplicating Machine |
| | 2,007,232 | Jul. 09, 1935 | E.L. Wall | Automatic Carriage Control for Duplicating Machinery |
| | 2,024,256 | Dec. 17, 1935 | B. Sassen | Pattern Controlled Die Sinking Machine |
| | 2,036,362 | Apr. 07, 1936 | H. Ernst, B. Sassen | Automatic Pattern Controlled Milling Machine |
| | RE19,985 | May 26, 1936 | B. Sassen | Pattern Controlled Die Sinking Machine |
| | 2,044,020 | Jun. 16, 1936 | B. Sassen | Automatic Pattern Controlled Milling Machine |
