Patent US 3369173A
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| Patent number | US 3369173A (click link for details and documents via Google Patents) |
|---|---|
| Title | Attenuator apparatus |
| Inventors | Gene Andrews |
| Company | Tektronix Inc |
| Filing date | 1965-11-19 |
| Grant date | 1968-02-13 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 3753170A | Step attenuator apparatus having attenuator stages selectively connected in cascade by cam actuated switches | Ken Holland | Tektronix Inc | 1973-08-14 |