Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331765 | Adjusting device for a double-hung sash assembly, improved assembly so obtained and method of use | Jean Dupuis | 1994-07-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331765 | Adjusting device for a double-hung sash assembly, improved assembly so obtained and method of use | Jean Dupuis | 1994-07-26 |