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| Patents for Claude S. Doll | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,777,350 | Jan. 15, 1957 | W.B. Ailes, C.E. Greene, C.S. Doll | Machine Tool Control Apparatus | machine tool controls | |
| 3,709,377 | Jan. 09, 1973 | C.S. Doll, W.V. Sturm | Tool changer | ||