Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931224 | Toner cartridge hopper with labyrinth channels for releasing air while trapping toner in cartridge | Mark Duane Foster, Robert Watson McAlpine, Robert Francis Soto | 2005-08-16 |