Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297409 | Coordination of multiple elevator cars in a hoistway | Arthur Hsu, Cheng-Shuo Wang, Hansoo Shim, SeongRak Jeong, Bruce P. Lerner | 2012-10-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8297409 | Coordination of multiple elevator cars in a hoistway | Arthur Hsu, Cheng-Shuo Wang, Hansoo Shim, SeongRak Jeong, Bruce P. Lerner | 2012-10-30 |