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| Patents for Jack A. Wohfeil | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,475,997 | Nov. 04, 1969 | J.A. Wohfeil | Method and Apparatus for Controlling Motions of a Drilling Cutter or the Like | ||
| 3,520,228 | Jul. 14, 1970 | J.A. Wohfeil | Spindle Orienting and Drawbolt Malfunction Sensing Machine Tool Control System | ||
| 3,551,656 | Dec. 29, 1970 | J.A. Wohfeil | Numerical Control System | ||