Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370428 | Mechanism for releasably locking sashes in door-or window frames | Erhard Kuhnt | 1994-12-06 |
| 5318333 | Device for locking and unlocking sashes in door- or window frames | — | 1994-06-07 |