Patent US 4253057A
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| Patent number | US 4253057A (click link for details and documents via Google Patents) |
|---|---|
| Title | Compensation indicator for attenuation probe |
| Inventors | Dale E. Carlton, William G. Wilke |
| Company | Tektronix Inc |
| Filing date | 1979-04-26 |
| Grant date | 1981-02-24 |