Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486940 | Alignment system for an elevator car | Tadeusz Pawel Witczak, Bruce P. Swaybill, Zbigniew Piech, Richard J. Ericson | 2019-11-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10486940 | Alignment system for an elevator car | Tadeusz Pawel Witczak, Bruce P. Swaybill, Zbigniew Piech, Richard J. Ericson | 2019-11-26 |