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| Patents Granted on 1978-05-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,090,287 | May 23, 1978 | D.S. Selander | Workpiece Changer Mechanism for Machine Tool | workpiece changers and storage mechanisms | |
| 4,091,294 | May 23, 1978 | F. Zankl, E.E. Kirkham, R.E. Stobbe, J.J. Schachte | A.C. Motor Control Apparatus and Method | motor controls | |