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| Patents for Marquard Hansen | |||||
| Number | Date | Patentee | Title | Type | |
| 141,048 | Jul. 22, 1873 | M. Hansen | Improvement in scroll-sawing machines | scrollsaws | |
| 175,280 | Mar. 28, 1876 | M. Hansen | Improvement in guards for shaping-machines | woodworking machine safety guards | |