Patent US 4885547A
Jump to navigation
Jump to search
| Patent number | US 4885547A |
|---|---|
| Title | Gain cell with digital control |
| Inventors | Marshall J. Bell Jr., Daniel S. Draper |
| Company | Tektronix Inc |
| Filing date | 1988-07-07 |
| Grant date | 1989-12-05 |
| Cites |