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| Patents for Merle R. Burkhart | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,225,231 | May 08, 1917 | E.L. Fenstermaker | Screw Cap Wrench | jar wrenches | |
| 1,461,275 | Jul. 10, 1923 | M.C. Dellinger, H.W. Kulp | Valve Spring Lifter Lock | valve spring tools | |