Patent US 4670723A
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| Patent number | US 4670723A (click link for details and documents via Google Patents) |
|---|---|
| Title | Broad band, thin film attenuator and method for construction thereof |
| Inventors | Leonard A. Roland, Larry Lockwood, Heinz Erwin Grellmann |
| Company | Tektronix Inc |
| Filing date | 1985-03-18 |
| Grant date | 1987-06-02 |