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| Patents Granted on 1973-05-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,733,929 | May 22, 1973 | J.J. Fatula | Indexing apparatus | ||
| 3,734,009 | May 22, 1973 | E.O. Engerbretsen | Compactor and drive assembly | ||
| 3,734,515 | May 22, 1973 | E.C. Dudek | Pneumatic impact wrench | ||