Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486940 | Alignment system for an elevator car | Tadeusz Pawel Witczak, Bruce P. Swaybill, Zbigniew Piech, Richard E. Kulak | 2019-11-26 |
| 10407275 | Detection and control system for elevator operations | Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Randall S. Dube, Gary L Nuschler +5 more | 2019-09-10 |
| 10384914 | Elevator support structure | Andrzej Ernest Kuczek | 2019-08-20 |
| 10329122 | H frame for a double deck elevator | Walter Thomas Schmidt, Enrico Manes, Bruce P. Swaybill, Zaffir A. Chaudhry, Luke A. Mishler +4 more | 2019-06-25 |
| 10252885 | Ropeless elevator system guide rail assembly | — | 2019-04-09 |