Patent US 4590407A
| Patent number | US 4590407A (click link for details and documents via Google Patents) |
|---|---|
| Title | Scale illumination lamp control circuit for an oscilloscope |
| Inventors | Lloyd Rodney Bristol |
| Company | Tektronix Inc |
| Filing date | 1984-02-03 |
| Grant date | 1986-05-20 |