Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6783221 | Phase change waste ink control apparatus and method | — | 2004-08-31 |
| 6764160 | Printhead interposing maintenance apparatus and method and image producing machine having same | Elliott A. Eklund, Roger G. Leighton, John F. Murphy, Ronald L. Nichols, Donald J. Drake +1 more | 2004-07-20 |
| 6746113 | Solid phase change ink pre-melter assembly and a phase change ink image producing machine having same | Roger G. Leighton | 2004-06-08 |