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| Patents for Richard A. Greiner | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,177,372 | Apr. 06, 1965 | R.A. Greiner | Constant Power Dissipating Circuit | machine tool controls | |
| 3,185,819 | May 25, 1965 | R.A. Greiner | Asymmetrical Binary Counter | machine tool controls | |
| 3,240,071 | Mar. 15, 1966 | R.A. Greiner | Filtering System for Balancing Equipment | balancing machinery | |
| 3,774,115 | Nov. 20, 1973 | R.A. Greiner | Signal Generator for Unbalance Detectors | electronic circuitry and apparatus | |