Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621445 | Apparatus for refilling ink cartridges | Jon Fong, David S. Hunt | 1997-04-15 |
| 5280300 | Method and apparatus for replenishing an ink cartridge | Jon Fong, David S. Hunt | 1994-01-18 |