Patent US 3369173A
Patent number | US 3369173A (click link for details and documents via Google Patents) |
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Title | Attenuator apparatus |
Inventors | Roland E 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 |