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| Patents for Oskar Waldrich | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,646,727 | Jul. 28, 1953 | O. Waldrich | Planing Machine | metal planers | |
| 2,730,022 | Jan. 10, 1956 | O. Waldrich | Planing Machines | metal planers | |