Patent US 4970535A
Jump to navigation
Jump to search
| Patent number | US 4970535A |
|---|---|
| Title | Ink jet print head face cleaner |
| Inventors | James C. Oswald, Jeffrey J. Anderson, Ted E. Deur |
| Company | Tektronix Inc |
| Filing date | 1989-11-27 |
| Grant date | 1990-11-13 |
| Cites |