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| Patents for Leonard W. Nash | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,203,738 | Jun. 11, 1940 | L.W. Nash | Means for severing marginal trimmings as they are cut from sheet-metal strip | rotary cutters | |
| 2,268,125 | Dec. 30, 1941 | L.W. Nash, G.A. Martin | Coiler | sheet metal | |
| 2,335,602 | Nov. 30, 1943 | L.W. Nash, G.A. Martin | Collapsible mandrel | sheet metal | |