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| Patents Granted on 1950-05-23 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,508,604 | May 23, 1950 | S.C. Greer, J.J. Greer | Ratchet Wrench | ratchet wrenches | |
| 2,508,731 | May 23, 1950 | A.M. Stoner | Lathe chuck | metal lathe chucks | |
| 2,509,152 | May 23, 1950 | R. Kennedy | Tool and Cutter Holder | lathe tool holders and tool posts | |