Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7987947 | Call indicator provided near elevator car currently assigned to the call | Theresa M. Christy, Jannah A. Stanley, Hideyuki Honma, Arthur Hsu, John M. Milton-Benoit +4 more | 2011-08-02 |
| 7784588 | Calls assigned to one of two cars in a hoistway to minimize delay imposed on either car | Theresa M. Christy, Arthur Hsu, Hansoo Shim, Harry Terry | 2010-08-31 |
| 7650967 | Communicating to elevator passengers re car movement to pit or overhead | Theresa M. Christy, Arthur Hsu, Hansoo Shim, Harry Terry, Frank Sansevero | 2010-01-26 |