Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553620 | Balancing spring system for sliding window sash | Guy Guillemet, Daniel Varin | 2003-04-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6553620 | Balancing spring system for sliding window sash | Guy Guillemet, Daniel Varin | 2003-04-29 |