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| All Patents in class 91/369.1 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,052,011 | Sep. 04, 1962 | R.K. Sedgwick, J.A. Hansen, W.E. Brainard, H.J. Baechle, C.B. Sipek | Machine Tool with a Mechanical Cutting Tool Changer | milling machines | |