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| Patents for Paul M. Mueller | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,512,626 | Oct. 21, 1924 | P.M. Mueller | Bench Type Gear Testing Machine | gear measuring machines | |
| 1,547,514 | Jul. 28, 1925 | P.M. Mueller | Thread Testing Device | thread gages | |