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| Patents Granted on 1979-01-09 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,133,204 | Jan. 09, 1979 | J. Mittleman | Roughness Diagnostic Tool | special purpose gauges | |
| 4,133,423 | Jan. 09, 1979 | F. Zankl | Shuttle System for Machine Tool | metalworking machine mechanisms | |