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| Patents Granted on 1943-04-13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,316,168 | Apr. 13, 1943 | H.C. James | Rake | ||
| 2,316,582 | Apr. 13, 1943 | L.L. Hercik | Grinding and polishing machine | metal sanding machines | |