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| Patents Granted on 1984-01-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,424,025 | Jan. 03, 1984 | D.R. Jones | Gas Forge | forges | |
| 4,427,325 | Jan. 24, 1984 | J.T. Currer, A.J. Schabowski, E.J. Kielma | Multiple Spindle Toolhead | metalworking machine mechanisms | |
| 4,428,158 | Jan. 31, 1984 | J.J. Fatula, Sr. | Method and apparatus for grinding irregular surfaces | grinders | |