Patent US 4563652A
Patent number | US 4563652A (click link for details and documents via Google Patents) |
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Title | Dual-stage filter with feedback |
Inventors | Bruce Hofer |
Company | Audio Precision |
Filing date | 1985-04-12 |
Grant date | 1986-01-07 |
Patent number | US 4563652A (click link for details and documents via Google Patents) |
---|---|
Title | Dual-stage filter with feedback |
Inventors | Bruce Hofer |
Company | Audio Precision |
Filing date | 1985-04-12 |
Grant date | 1986-01-07 |