Patent US 3916270A
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| Patent number | US 3916270A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electrostatic holddown apparatus |
| Inventors | Ingrid Jean Wachtler, Jonathan Moses Marshall, William Arno Vetanen |
| Company | Tektronix Inc |
| Filing date | 1974-05-02 |
| Grant date | 1975-10-28 |