Patent US 4714872A
| Patent number | US 4714872A (click link for details and documents via Google Patents) |
|---|---|
| Title | Voltage reference for transistor constant-current source |
| Inventors | Einar Traa |
| Company | Tektronix Inc |
| Filing date | 1986-07-10 |
| Grant date | 1987-12-22 |