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| Patents for Mathan Harbster | |||||
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| Number | Date | Patentee | Title | Type | |
| 169,040 | Oct. 19, 1875 | A. Rippen | Apple Paring Machine | apple parers | |
| 173,942 | Feb. 22, 1876 | W.M. Griscom | Apple Parer | apple parers | |