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| Patents for Oscar Mueller | |||||
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| Number | Date | Patentee | Title | Type | |
| 582,540 | May 11, 1897 | O. Mueller | Igniter for Explosive Engines | ignition systems | |
| 628,110 | Jul. 04, 1899 | O. Mueller | Tapping-machine | tapping machines | |
| 649,173 | May 08, 1900 | H. Mueller | Tapping-machine | tapping machines | |
| 660,760 | Oct. 30, 1900 | O. Mueller | Tapping-machine | tapping machines | |