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| Patents Granted on 1980-01-22 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,184,391 | Jan. 22, 1980 | O. Eckle | Facing and Boring Head | facing heads | |
| 4,184,522 | Jan. 22, 1980 | J.A. Waite | Mechanized Bag Filling Apparatus | conveyors and hoppers | |