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| Patents for H. C. Ireland | |||||
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| Number | Date | Patentee | Title | Type | |
| 144,522 | Nov. 11, 1873 | J.J. Engelman | Improvement in saw-filing machines | saw sharpening machines | |
| 427,818 | May 13, 1890 | O.W. Young | Hand-cranked portable chain mortiser | human powered machines | |