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| Patents Granted on 1948-03-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| D149,052 | Mar. 23, 1948 | A.O. Elnes | Design for a Wrench | nut wrenches | |
| 2,438,239 | Mar. 23, 1948 | H.A. Toulmin, Jr. | Ball Grinding Machine | grinding machines | |
| 2,438,251 | Mar. 23, 1948 | T. Pedersen | Engine Fuel Supply Means | fuel injection apparatus | |