Patent US 4809208A
Jump to navigation
Jump to search
Patent number | US 4809208A (click link for details and documents via Google Patents) |
---|---|
Title | Programmable multistage digital filter |
Inventors | Victor L. Hansen, Eric Etheridge |
Company | Tektronix Inc |
Filing date | 1987-04-03 |
Grant date | 1989-02-28 |