Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668974 | Partitioned wave-guide sound insulation glazing | Marc Rehfeld | 2003-12-30 |
| 6660968 | Heated glass panes, in particular for vehicles | Bernard Letemps | 2003-12-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668974 | Partitioned wave-guide sound insulation glazing | Marc Rehfeld | 2003-12-30 |
| 6660968 | Heated glass panes, in particular for vehicles | Bernard Letemps | 2003-12-09 |