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| Patents Granted on 1978-11-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,125,932 | Nov. 21, 1978 | A.J. Schabowski, E.J. Kielma | Multiple Spindle Machine Tool | tool changers and storage mechanisms | |
| 4,126,233 | Nov. 21, 1978 | R.G. Jeske | Tool Transfer Mechanism for Machine Tools | tool changers and storage mechanisms | |
| 4,126,819 | Nov. 21, 1978 | R.E. Stobbe, M.R. Cesarz | Interlock Circuit for Complementary Electronic Switches | motor controls | |