Patent US 4431949A
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| Patent number | US 4431949A (click link for details and documents via Google Patents) |
|---|---|
| Title | Lateral convergence correction system |
| Inventors | Clayton C. Wahlquist, Archie M. Barter |
| Company | Tektronix Inc |
| Filing date | 1982-03-31 |
| Grant date | 1984-02-14 |