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| Patents for Philip Grosjean | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,174X | Jul. 29, 1828 | P. Grosjean | Machine for shelling corn | miller | |
| 5,175X | Jul. 30, 1828 | T. Lawes, P. Grosjean | Distilling | ||