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| Patents Granted on 1971-10-12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,611,783 | Oct. 12, 1971 | E. Mittelmann | Electromagnetically energized impact forming device | forging machines | |
| 3,611,829 | Oct. 12, 1971 | S.E. Smith | Balancing Arrangement for Armature Assemblies | motor armatures | |
| 3,611,848 | Oct. 12, 1971 | C.V. Gegg, H.W. Sullivan | Tube-cutting machine | ||
| 3,612,840 | Oct. 12, 1971 | R.E. Stobbe | Linear Error Compensator for Numerically Controlled Machine Tools | machine tool controls | |