Patent US 3449619A
| Patent number | US 3449619A (click link for details and documents via Google Patents) |
|---|---|
| Title | Apparatus for controlling the voltage on an electron tube element |
| Inventors | Bernard J Stalp |
| Company | Tektronix Inc |
| Filing date | 1967-04-21 |
| Grant date | 1969-06-10 |