Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029345 | Fire stop outlet for small duct, high velocity air distribution systems | Craig S. Messmer | 2011-10-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029345 | Fire stop outlet for small duct, high velocity air distribution systems | Craig S. Messmer | 2011-10-04 |