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| Patents Granted on 1971-12-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,625,263 | Dec. 07, 1971 | J.F. Kopczynski | Roll bending machine and method | ||
| 3,625,267 | Dec. 07, 1971 | R.E. Wellborn | Stump removal machine | specialty woodworking machines | |
| 3,626,118 | Dec. 07, 1971 | H.R. Botefuhr | Radial arm saw with a depressible key for unlocking a switch-actuating trigger | radial arm saws | |