Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D428325 | Fire preventing duct for passing cables and pipes through walls and bulkheads | Andre Van Dreumel | 2000-07-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D428325 | Fire preventing duct for passing cables and pipes through walls and bulkheads | Andre Van Dreumel | 2000-07-18 |