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| Patents for E. T. Walker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 378,946 | Mar. 06, 1888 | J.H. Baker | Nail-Holding Attachment for Hammers | |
 | 396,753 | Jan. 29, 1889 | F.C. Knowles, R.B. Magee | Pipe Tongs | |