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| Patents for Euzebiusz Polanowski | |||||
| Number | Date | Patentee | Title | Type | |
| 645,427 | Mar. 13, 1900 | E. Polanowski | Machine for Milling Cone Screw Wheels | milling machines | |
| 645,428 | Mar. 13, 1900 | E. Polanowski | Machine for Milling Angular Toothed Bevel Wheels | gear making machines | |