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| Patents for J. M. Howe | |||||
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| Number | Date | Patentee | Title | Type | |
| 48,687 | Jul. 11, 1865 | J.M. Howe | Improvement in machines for making wagon-wheels | wheelwright | |
| 102,649 | May 03, 1870 | J.S. Biddlecom | Improvement in Clapboard-Gauge | clapboard markers | |
| 164,989 | Jun. 29, 1875 | J.S. Graham | Improvement in wood-planing machines | wood planers | |