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| Patents Granted on 1978-02-14 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,073,324 | Feb. 14, 1978 | M. Mayer | Slot-mortising or mortising machine | mortising machines | |
| 4,074,177 | Feb. 14, 1978 | E.A. Olig | Methods and Apparatus for Automatic Movement of a Member to Precisely Indexed Positions Despite Signal Drift or Offset | metalworking machine mechanisms | |