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| Patents for Henry C. Herchelrode | |||||
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| Number | Date | Patentee | Title | Type | |
| 192,332 | Jun. 26, 1877 | J.E. Schonacker, H.C. Herchelrode | Improvement in horse hay-rakes | hay or straw rakes | |
| 225,602 | Mar. 16, 1880 | H.C. Herchelrode | Horse-rake | hay or straw rakes | |