Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823699 | Electromagnetically operated elevator door lock | Jacek F. Gieras, Pei-Yuan Peng, Bryan Robert Siewert, Muhidin A. Lelic | 2010-11-02 |
| 7575101 | Device for detecting objects on a glass door and elevator equipped therewith | — | 2009-08-18 |