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