Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479992 | Sound absorbing structural element | Willy H/a/ eseker, Guy Ferrand | 1984-10-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4479992 | Sound absorbing structural element | Willy H/a/ eseker, Guy Ferrand | 1984-10-30 |