Patent US 3693058A
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| Patent number | US 3693058A (click link for details and documents via Google Patents) |
|---|---|
| Title | Variable capacitor including a rotatable dielectric disc |
| Inventors | Darrel I Wilhoit |
| Company | Tektronix Inc |
| Filing date | 1971-01-25 |
| Grant date | 1972-09-19 |