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| Patents Granted on 1979-12-__ | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,177,101 | Dec. 04, 1979 | R.M. Evans | Method and apparatus for laminating panels | specialty woodworking machines | |
| 4,177,550 | Dec. 11, 1979 | R.B. Clegg, R. Johnstone, C.B. Sipek | Machine Tool With Hollow Structural Steel Members | metalworking machine mechanisms | |
| 4,178,721 | Dec. 18, 1979 | F.D. Evans | Apparatus for sizing and finishing batches of lumber | sanding machines | |
| 4,179,779 | Dec. 25, 1979 | R.R. Hayes | Hand Plane | planes | |