Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236597 | Sound-absorbing device, especially for damping of noises expanding in air ducts | Sandor Kiss | 1980-12-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236597 | Sound-absorbing device, especially for damping of noises expanding in air ducts | Sandor Kiss | 1980-12-02 |