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| Patents for Oliver M. Kappler | |||||
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| Picture | Number | Date | Patentee | Title | |
| 992,758 | May 23, 1911 | W.L. Deming | Folding article of furniture | ||
| 1,044,299 | Nov. 12, 1912 | G.T. Trundle | Chuck | ||
 | 1,046,210 | Dec. 03, 1912 | H.L. Allen, J.B. Meriam | Gas Engine Valve | |