Patent US 4540997A
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| Patent number | US 4540997A (click link for details and documents via Google Patents) |
|---|---|
| Title | Method and apparatus for avoiding the drying of ink in the ink jets of ink jet printers |
| Inventors | Larry Biggs, Pierre Radochonski |
| Company | Tektronix Inc |
| Filing date | 1984-03-26 |
| Grant date | 1985-09-10 |