Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666833 | Reinforcing apparatus for a lever handle of a door lock | Sheen-Youl Gao, Rong-Faa Wu, Ming-Shyang Chiao, Cheng-Wen Lai, San-Yi Lin +1 more | 1997-09-16 |
| 5655393 | Door lock set with simultaneously retractable deadbolt and latch | Lan-Kun Don | 1997-08-12 |
| 5624141 | Lock assembly for retracting a door latch | Ming-Shyang Chiou, Tong-Pei Wu, Sheen-Youl Gao | 1997-04-29 |