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| Patents for Walter W. Wawrzyniak | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,004,332 | Jan. 25, 1977 | W.W. Wawrzyniak | Facing Head | facing heads | |
| 4,197,040 | Apr. 08, 1980 | W.W. Wawrzyniak | Facing and Boring Head | facing heads | |