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| Patents for Frederich G. Krafft | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,586,235 | Feb. 19, 1952 | F.G. Krafft | Device for Forming Grinding Wheels | grinder dressers | |
| 2,612,015 | Sep. 30, 1952 | F.G. Krafft | Mounting Structure for Grinding Wheels | surface grinders | |