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| Patents for William E. Valk Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 900,148 | Oct. 06, 1908 | F.W. Crocker | Engraver's Spoon Holder | jeweler | |
| 1,107,276 | Aug. 18, 1914 | H.P. Farrington | Combination Tool | combination tools | |