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| Patents for Robert W. Ott | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,938,782 | Dec. 12, 1933 | R.W. Ott | Milling Machine Spindle Carrier | metalworking power transmission | |
| 1,940,142 | Dec. 19, 1933 | R.W. Ott | Milling Machine | milling machines | |
| 2,233,551 | Mar. 04, 1941 | R.W. Ott | Fluid pump | hydraulic pumps | |
| 2,263,928 | Nov. 25, 1941 | R.W. Ott, N.M. Marsilius | Milling machine | milling machines | |