Patent US 4672276A
| Patent number | US 4672276A (click link for details and documents via Google Patents) |
|---|---|
| Title | CRT astigmatism correction apparatus with stored correction values |
| Inventors | Conrad Odenthal |
| Company | Tektronix Inc |
| Filing date | 1984-05-29 |
| Grant date | 1987-06-09 |