Patent US 3873878A
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| Patent number | US 3873878A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electron gun with auxilliary anode nearer to grid than to normal anode |
| Inventors | Conrad Odenthal |
| Company | Tektronix Inc |
| Filing date | 1973-01-05 |
| Grant date | 1975-03-25 |