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| Patents for Edward Hassenpflug | |||||
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| Number | Date | Patentee | Title | Type | |
| 65,217 | May 28, 1867 | H. Hassenpflug | Drag saw | drag saws | |
| 65,669 | Jun. 11, 1867 | H. Hassenpflug | Sawing and mortising machine | mortising machines | |