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| Patents Granted on 1947-05-06 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,420,020 | May 06, 1947 | F.A. Snell | Lever-Actuated Pivoted-Jaw Wrench | locking pliers | |
| 2,420,067 | May 06, 1947 | H.E. Crozier | Collet attachment for lathes or other metalworking machines | collets and collet holders | |