Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D511186 | Geared drive hub | Joel Neri, Jens Duerr | 2005-11-01 |
| 6666597 | Geared drive hub assembly for a printer cartridge | Joel Neri, Jens Duerr | 2003-12-23 |
| 6308872 | Hanger with multiple means for supporting other hangers | Jens Duerr, Karl Duerr | 2001-10-30 |