Patent US 4138605A
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| Patent number | US 4138605A (click link for details and documents via Google Patents) |
|---|---|
| Title | Thermal printing head |
| Inventors | Earl Wesley Stapleton, Patricia A. McLaughlin, Jerry E. Turnbaugh |
| Company | Tektronix Inc |
| Filing date | 1977-02-22 |
| Grant date | 1979-02-06 |