Patent US 4381421A
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| Patent number | US 4381421A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electromagnetic shield for electronic equipment |
| Inventors | Warren D. Coats, Marc A. Kamerling |
| Company | Tektronix Inc |
| Filing date | 1980-07-01 |
| Grant date | 1983-04-26 |