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| Patents Granted on 1980-01-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,182,979 | Jan. 08, 1980 | W.P. Jezo, R.L. Douglas | D. C. Electric Torquing System | electronic circuitry and apparatus | |
| 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 | |
| 4,185,376 | Jan. 29, 1980 | R. Johnstone | Unmanned Machining Center With Tool Checking | numerically controlled milling machines | |