Patent US 3207936A
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| Patent number | US 3207936A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electron beam display device |
| Inventors | William H Wilbanks, Robert H Johnson, Chan H Wang, Frank C Erzen |
| Company | Tektronix Inc |
| Filing date | 1961-08-21 |
| Grant date | 1965-09-21 |