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| Patents for Melvin H. Emrick | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,578,995 | Dec. 18, 1951 | M.H. Emrick | Tapping machine | ||
 | 2,863,339 | Dec. 09, 1958 | M.H. Emrick | Hydraulic air drilling unit | |