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| Patents for William H. Metzger | |||||
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| Number | Date | Patentee | Title | Type | |
| 399,391 | Mar. 12, 1889 | W.H. Metzger, C.W. Koons, L.L. Dweese, A. Effinger | Saw-Setting Device | saw sets | |
| 530,221 | Dec. 04, 1894 | W.H. Metzger, A. Effinger | Pruning-Shears | pruning implements | |
| 562,552 | Jun. 23, 1896 | W.H. Metzger | Pliers | pliers | |