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| Patents Granted on 1947-05-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,420,468 | May 13, 1947 | S. De Walt | Saw-tooth gage and jointer | saw jointers | |
| 2,420,547 | May 13, 1947 | J.E. Lovely | Profile Milling Machine | milling machines | |