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| Patents for Oscar W. Mueller | |||||
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| Number | Date | Patentee | Title | Type | |
| 477,911 | Jun. 28, 1892 | G.A. Mueller, O.W. Mueller | Grinding Attachment for Lathes | metal lathe accessories and attachments | |
| 737,948 | Sep. 01, 1903 | O.W. Mueller | Radial drill | radial drill presses | |
| 1,512,231 | Oct. 21, 1924 | O.W. Mueller | Safety means for drilling machines | radial drill presses | |