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| Patents Granted on 1984-03-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,434,986 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals | |
| 4,434,988 | Mar. 06, 1984 | D.J. Warner | Shaft Seal | shaft seals | |
| 4,436,126 | Mar. 13, 1984 | P. Lawson | Wood planing machine | ||
| 4,437,241 | Mar. 20, 1984 | J.H. Lemelson | Measuring Instrument and Method | measurement gauges | |
| 4,438,599 | Mar. 27, 1984 | M.D. Kohring, J.T. Kamman | Vibration Damper for Machine-Carried Workpiece | metalworking machine mechanisms | |