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| Patents Granted on 1945-02-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,370,041 | Feb. 20, 1945 | J. Jesionowski | External grinder | grinders | |
| 2,370,042 | Feb. 20, 1945 | J. Jesionowski | Vise | metalworking machine vises | |