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| Patents for Walter W. De Lano | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,659,306 | Nov. 17, 1953 | W.W. De Lano | Means for varying the circumference of printing cylinders | ||
| 2,961,899 | Nov. 29, 1960 | W.W. De Lano, J.E. Grove | Drilling machine | drill presses | |
| 3,105,982 | Oct. 08, 1963 | W.W. De Lano, K.J. Yost | Tapping machine having tapping head and drive means adjustably mounted on a support post | tapping machines | |