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| Patents for Gerhold L. Otto | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,697,952 | Dec. 28, 1954 | G.L. Otto | Continuously operating machine tool | workpiece changers and storage mechanisms | |
| 2,701,482 | Feb. 08, 1955 | G.L. Otto | Milling and center-drilling machine | milling machines | |