Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867491 | Locking device for doors or windows including means for locking the square-sectioned handle-bar of the handle | — | 1989-09-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867491 | Locking device for doors or windows including means for locking the square-sectioned handle-bar of the handle | — | 1989-09-19 |