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| Patents Granted on 1984-09-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,469,952 | Sep. 04, 1984 | D.D. Grover, T.P. Becker, G.E. Olson | Adapter for Diesel-Engine-Timing Meter | ||
| 4,469,996 | Sep. 04, 1984 | N.E. Oltendorf | Input control circuit for a step motor | electric motors | |