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| All Patents in class 409/207 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,012,249 | Aug. 20, 1935 | B. Sassen | Automatic Positioning Mechanism for Machine Tools | metalworking machine mechanisms | |
| 2,222,702 | Nov. 26, 1940 | G.B. Hirsch, A.F. Bennett | Machine Tool | milling machines | |
| 2,933,986 | Apr. 26, 1960 | W. Schroeder | Spindle Control Mechanism | milling machines | |
| 3,417,662 | Dec. 24, 1968 | C.B. De Vlieg, R.A. Jerue, C.R. De Vlieg | Positioning mechanism for machine tools | metalworking machine mechanisms | |