Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562901 | Sound absorptive structural block with sequenced cavities | Klaus Kleinschmidt | 1986-01-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4562901 | Sound absorptive structural block with sequenced cavities | Klaus Kleinschmidt | 1986-01-07 |