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| Patents Granted on 1969-11-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,477,121 | Nov. 11, 1969 | J.L. Martin | Machining Center with Dual Function Tool Operator | milling machines | |
| 3,477,136 | Nov. 11, 1969 | L.C. Johnson | Dimensional Gage with Equalized Spring Pressure | measurement gauges | |
| 3,477,675 | Nov. 11, 1969 | J. Klink | Support For Gaging Probe | ||
| 3,478,264 | Nov. 11, 1969 | A.N. Tsergas | SCR, diode and transistor analyzer | ||