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| Patents Granted on 1948-04-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| D149,173 | Apr. 06, 1948 | W.B. Dulaney | Design for a milling machine | milling machines | |
| 2,439,336 | Apr. 06, 1948 | E.J. Dillman | Thermostatic Valve | flow controls | |