Patent US 4309720A
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| Patent number | US 4309720A (click link for details and documents via Google Patents) |
|---|---|
| Title | Apparatus and method for producing an image on a sensitized surface |
| Inventors | Dan Denham |
| Company | Tektronix Inc |
| Filing date | 1980-01-15 |
| Grant date | 1982-01-05 |