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| Patents for Cone-Blanchard Machine Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,774,501 | Nov. 27, 1973 | H.H. Ranney, R.W. Brown | Thread Milling Attachment | ||
| 3,970,830 | Jul. 20, 1976 | B.W. Wilterdink, P.H. White | Computer Controlled Machine Tool Contouring System | ||
| 4,253,359 | Mar. 03, 1981 | D.H. Youden | Drive System for Multiple Spindle Machine Tool | ||
| 4,267,495 | May 12, 1981 | B.W. Wilterdink | Machine Speed Controller | ||