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| Patents for James B. Mahaffey | |||||
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| Picture | Number | Date | Patentee | Title | |
| 321,377 | Jun. 30, 1885 | J.B. Mahaffey | Planing and matching machine | ||
 | 321,378 | Jun. 30, 1885 | J.B. Mahaffey | Cutter-head | |
| 362,896 | May 10, 1887 | J.B. Mahaffey | Planing and matching machine | ||
 | 363,753 | May 24, 1887 | J.B. Mahaffey | Cutter-head | |