Patent US 3582807A
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| Patent number | US 3582807A (click link for details and documents via Google Patents) |
|---|---|
| Title | Amplifier gain control circuit including diode bridge |
| Inventors | John Addis |
| Company | Tektronix Inc |
| Filing date | 1969-07-28 |
| Grant date | 1971-06-01 |