Patent US 3930259A
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| Patent number | US 3930259A (click link for details and documents via Google Patents) |
|---|---|
| Title | Sliding stylus holder for an x-y plotter |
| Inventors | David Orville Hoskins |
| Company | Tektronix Inc |
| Filing date | 1974-04-22 |
| Grant date | 1975-12-30 |