Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8356698 | Wireless elevator hall fixtures integral with hall door frame | Bruce Zepke, Adriana Bacellar, Luiz Bacellar, Dennis Bellamy, Christian Netter +6 more | 2013-01-22 |
| 6956463 | Method and apparatus for providing both power and communication over two wires between multiple low voltage AC devices | Michael S. Smyth | 2005-10-18 |
| 6601679 | Two-part wireless communications system for elevator hallway fixtures | Michael Gozzo, Richard Robert Grzybowski, Jeffrey M. Izard, Robert G. Morgan, Chester J. Slabinski | 2003-08-05 |
| 5984051 | Remote elevator call requests with descriptor tags | Robert G. Morgan, Bruce Zepke, Harold Terry, Eric K. Jamieson | 1999-11-16 |