Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7334887 | Ink container for an ink jet cartridge | Dennis M. Lengyel | 2008-02-26 |
| 7137688 | Optical ink level detecting arrangements for ink cartridges | Dennis M. Lengyel | 2006-11-21 |
| 7066587 | Partition structures for the interior of an ink container | Dennis M. Lengyel | 2006-06-27 |