Patent US 3560848A
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| Patent number | US 3560848A (click link for details and documents via Google Patents) |
|---|---|
| Title | Switchable coaxial probe member utilizing a reed switch |
| Inventors | Marlow Butler |
| Company | Tektronix Inc |
| Filing date | 1968-05-20 |
| Grant date | 1971-02-02 |