| Patents for Van Norman Machine Tool Co. |
Patents 61 -
74
of 74
      |
| Number | Date | Patentee | Title | Type |
| 2,302,744 | Nov. 24, 1942 | F.W. Curtis | Spindle Control for Machine Tools | milling machines |
| 2,304,779 | Dec. 15, 1942 | F.W. Curtis | Toolhead Unit | milling machines |
| 2,308,647 | Jan. 19, 1943 | F.W. Curtis | Hydraulic Machine Tool | milling machines |
| 2,309,241 | Jan. 26, 1943 | F.W. Curtis | Dividing Head | indexers and dividers |
| 2,325,746 | Aug. 03, 1943 | F.W. Curtis | Metal Cutting Tool with Inserted Teeth | milling machine cutters |
| 2,327,404 | Aug. 24, 1943 | F.W. Curtis | Milling Machine | milling machines |
| 2,328,061 | Aug. 31, 1943 | F.W. Curtis | Hydraulic Vise | milling machine accessories |
| 2,338,624 | Jan. 04, 1944 | F.W. Curtis | Elevating Mechanism for Machine Tool Knees | milling machines |
| 2,357,088 | Aug. 29, 1944 | F.W. Curtis | Cutting Tool | milling machine cutters |
| 2,361,995 | Nov. 07, 1944 | F.W. Curtis | Method of Making Metal Cutting Tools | milling machine cutters |
| 2,365,748 | Dec. 26, 1944 | F.W. Curtis | Hydraulic Circuit | milling machines |
| 2,381,648 | Aug. 07, 1945 | F.W. Curtis | Spark Gap | industrial machine mechanisms |
| 2,384,078 | Sep. 04, 1945 | F.W. Curtis | Throttle Valve for Machine Tool Control | milling machines |
| 2,470,617 | May 17, 1949 | W.M. Hoddinott | Control for Variable Displacement Pumps | milling machines |
