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| Patents for Albert H. Walker | |||||
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| Number | Date | Patentee | Title | Type | |
| 325,229 | Sep. 01, 1885 | J.S. Alcorn | Machinist's Planer | metal planers | |
| 356,892 | Feb. 01, 1887 | J.B. Renshaw | Micrometer Depth Gage | micrometer depth gauges | |