Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6134411 | Toner cartridge assembly | Steven A. Thompson | 2000-10-17 |
| 6104902 | Toner cartridge assembly | Steven A. Thompson | 2000-08-15 |
| 5991584 | Toner cartridge assembly | John V. Ahart, Steven A. Thompson | 1999-11-23 |