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| Patents Granted on 1951-05-08 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,552,315 | May 08, 1951 | J. Gottlieb, L. Eickemeyer, C. Woessner | Self-starting synchronous electric motor | ||
| 2,552,367 | May 08, 1951 | L.B. Carlson | Feed mechanism for wood-planing machines | wood planers | |