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| Patents for Arlon G. Sangster | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,876,650 | Mar. 10, 1959 | A.G. Sangster | Apparatus for automatically relatively positioning workholders, tools and the like | ||
| 3,339,122 | Aug. 29, 1967 | A.G. Sangster | Digital Positional Control | machine tool controls | |