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Patents Granted on 1947-02-18 | |||||
Number | Date | Patentee | Title | Type | |
2,416,267 | Feb. 18, 1947 | W.S. Landon | Automatic Orifice Cleaning Device | pipe and orifice cleaners | |
2,416,277 | Feb. 18, 1947 | S. Siegel | Pocket Knife | knives and cutters |