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| Patents Granted on 1947-01-21 | |||||
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| Number | Date | Patentee | Title | Type | |
| D146,244 | Jan. 21, 1947 | C.L. Beard | Design for a germicidal lamp | ||
| 2,414,751 | Jan. 21, 1947 | O.H. Ludeman | Valve | steam engine valves | |