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| Patents for William Treurn | |||||
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| Number | Date | Patentee | Title | Type | |
| 46,154 | Jan. 31, 1865 | G. Stone | Tool for Drawing Spikes | nail making machines | |
| 52,353 | Jan. 30, 1866 | L.D. Wynkoop | Water Wheel | water wheels | |
| 58,076 | Sep. 18, 1866 | J.K. Dirner | Sloting Key Seats | key seating machines | |
| 69,294 | Sep. 24, 1867 | L.D. Wynkoop | Water Wheel | water wheels | |