Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702506 | Magnet catcher for doors | — | 1987-10-27 |
| 4641896 | Retractable door structure | Kiyoshi Maruyama | 1987-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4702506 | Magnet catcher for doors | — | 1987-10-27 |
| 4641896 | Retractable door structure | Kiyoshi Maruyama | 1987-02-10 |