Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884613 | Sash assembly with built-in blind | Muneyoshi Hirano | 1989-12-05 |
| 4877076 | Screen unit with built-in blind | Muneyoshi Hirano | 1989-10-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884613 | Sash assembly with built-in blind | Muneyoshi Hirano | 1989-12-05 |
| 4877076 | Screen unit with built-in blind | Muneyoshi Hirano | 1989-10-31 |