Patent US 4490653A
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| Patent number | US 4490653A (click link for details and documents via Google Patents) |
|---|---|
| Title | Deflection systems and ramp generators therefor |
| Inventors | Harold Wayne Olmstead |
| Company | Tektronix Inc |
| Filing date | 1982-04-06 |
| Grant date | 1984-12-25 |