Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273213 | Noise suppression louver having horizontal and vertical slats | James J. Callas, David C. Copley, Emile E. Damotte | 2001-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6273213 | Noise suppression louver having horizontal and vertical slats | James J. Callas, David C. Copley, Emile E. Damotte | 2001-08-14 |