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| Patents Granted on 1983-01-25 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,369,606 | Jan. 25, 1983 | R.E. Reiman | Abrasive head | ||
| 4,369,660 | Jan. 25, 1983 | S.B. Servals, T.J. Lasky, R.P. Lentz | Electronic Pressure Measuring Apparatus | ||
| 4,369,956 | Jan. 25, 1983 | O. Aronson | Self-centering fixture | metalworking machine mechanisms | |
| 4,369,958 | Jan. 25, 1983 | R.A. Maynard | Rotating table positioning device with minimum backlash | rotary tables | |