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| Patents for Leiv S. Platou | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,774,155 | Aug. 26, 1930 | L.S. Platou | Sheet Metal Working Machine | sheet metal | |
| 3,030,900 | Apr. 24, 1962 | G.E. Munschauer, L.S. Platou | Hydraulic seamer | sheet metal | |