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| Patents Granted on 1979-09-25 | |||||
| Number | Date | Patentee | Title | Type | |
| 4,168,575 | Sep. 25, 1979 | M. Yamauchi, I. Sugizaki | Constant Pressure Measuring Micrometer | micrometers | |
| 4,168,639 | Sep. 25, 1979 | P.W. Carrier, J.M. Ingham | Machine Tool Having a Programmed Turret | ||
| 4,168,909 | Sep. 25, 1979 | J.W. Nelson, R.G. Knudsen, estate of (deceased) | Optical Toe Gauge with Angled Screens for Vehicle Wheels | ||