Patent US 4250511A
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| Patent number | US 4250511A (click link for details and documents via Google Patents) |
|---|---|
| Title | Thermal transfer color printer |
| Inventors | William W. Stein, Robert W. Burns |
| Company | Tektronix Inc |
| Filing date | 1979-08-16 |
| Grant date | 1981-02-10 |