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| Patents for Edward F. Woytych | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,984,159 | May 16, 1961 | E.F. Woytych, C. Maastricht, G.H. Schurger | Machine Tool | horizontal boring mills | |
| 4,141,134 | Feb. 27, 1979 | F.L. Schmidt, D.J. Seicher, E.F. Woytych, W.D. Zettler | Tool Changer Attachment for Multi Function Machine Tools | tool changers and storage mechanisms | |