Patent US 4613875A
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| Patent number | US 4613875A (click link for details and documents via Google Patents) |
|---|---|
| Title | Air assisted ink jet head with projecting internal ink drop-forming orifice outlet |
| Inventors | Hue P. Le, Charles W. Jaeger, James C. Oswald |
| Company | Tektronix Inc |
| Filing date | 1985-04-08 |
| Grant date | 1986-09-23 |