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| Patents Granted on 1979-10-30 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,172,481 | Oct. 30, 1979 | M.J. Brisson | Flail device | tree felling machines | |
| 4,172,512 | Oct. 30, 1979 | R. Johnstone, R.B. Clegg | Machine Tool With Common Drive for Worktable and Pallet Shuttle | metalworking machine mechanisms | |
| 4,172,514 | Oct. 30, 1979 | L.C. Tullis, I.L. Shantz | High Speed Continuous Assembly Machine | assembling machines | |