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| Patents for Ludwig T. Stoyke | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,579,879 | Dec. 25, 1951 | B.H. Mosbacher, L.T. Stoyke | Gyratory valve for hydraulic pumps or motors | ||
| 2,774,309 | Dec. 18, 1956 | O.W. Scheflow, L.T. Stoyke | Pump | ||