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| Patents for Edwin A. Howe | |||||
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| Number | Date | Patentee | Title | Type | |
| 386,013 | Jul. 10, 1888 | E.A. Howe | Tool for Turning and Polishing Metal | lathe tools | |
| 394,364 | Dec. 11, 1888 | E.A. Howe | Chuck | metal lathe chucks | |