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| Patents Granted on 1970-07-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,520,228 | Jul. 14, 1970 | J.A. Wohfeil | Spindle Orienting and Drawbolt Malfunction Sensing Machine Tool Control System | machine tool controls | |
| 3,520,527 | Jul. 14, 1970 | H. Persson | Quick-change vise | drill press accessories | |