Patent US 4563652A
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| Patent number | US 4563652A |
|---|---|
| Title | Dual-stage filter with feedback |
| Inventors | Bruce Hofer |
| Company | Audio Precision |
| Filing date | 1985-04-12 |
| Grant date | 1986-01-07 |
| Cites |
| Patent number | US 4563652A |
|---|---|
| Title | Dual-stage filter with feedback |
| Inventors | Bruce Hofer |
| Company | Audio Precision |
| Filing date | 1985-04-12 |
| Grant date | 1986-01-07 |
| Cites |