Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8034192 | Method and system for collecting paper dust | Volker J. Ringer, Alain Chamberland, Rudy Chang | 2011-10-11 |
| 6442864 | Thermal equalizer | Volker J. Ringer, Mohammad Golriz, Sidney Gary Jones | 2002-09-03 |