Patent US 4219767A
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| Patent number | US 4219767A (click link for details and documents via Google Patents) |
|---|---|
| Title | System and method of minimizing velocity fluctuations in a synchronous motor shaft |
| Inventors | Guenther W. Wimmer |
| Company | Tektronix Inc |
| Filing date | 1979-03-29 |
| Grant date | 1980-08-26 |