Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819884 | Determining toner usage | Philip Scot Carter, William Keith Richardson | 2004-11-16 |
| 6718147 | Toner measurement and darkness control using printer systems | Philip Scot Carter, Benjamin Keith Newman, William Keith Richardson | 2004-04-06 |