Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6970258 | Non-printing patterns for improving font print quality | Allen T. Retzlaff, Jr. | 2005-11-29 |
| 6919973 | Auxiliary pixel patterns for improving print quality | Allen T. Retzlaff, Jr. | 2005-07-19 |