Patent US 4138605A: Difference between revisions
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|Title=Thermal printing head | |Title=Thermal printing head | ||
|Company=Tektronix Inc | |Company=Tektronix Inc | ||
|Inventors=Earl | |Inventors=Earl Wesley Stapleton; Patricia A. McLaughlin; Jerry E. Turnbaugh | ||
|Filing date=1977-02-22 | |Filing date=1977-02-22 | ||
|Grant date=1979-02-06 | |Grant date=1979-02-06 | ||
}} | }} | ||
Latest revision as of 08:16, 13 December 2022
| 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 |