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| Patents for Mary A. Martin | |||||
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| Number | Date | Patentee | Title | Type | |
| 540,837 | Jun. 11, 1895 | H.M. Leland, F.E. Ferris | Trimming machine | miter machines | |
| 562,096 | Jun. 16, 1896 | F.A. Prior | Feeding-attachment for bean-threshers | threshers and thrashers | |