Patent US 3281705A
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| Patent number | US 3281705A (click link for details and documents via Google Patents) |
|---|---|
| Title | Wide band signal inverter circuit having separate paths for high and low frequency signal portions |
| Inventors | George Frye |
| Company | Tektronix Inc |
| Filing date | 1964-02-03 |
| Grant date | 1966-10-25 |