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| Patents for Edward Van der Pyl | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,949,517 | Mar. 06, 1934 | E. Van der Pyl | Antislipping tread and method of making the same | ||
| 2,282,912 | May 12, 1942 | E. Van der Pyl | Grinding Wheel | grinding wheels | |