Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254542 | Car door interlock | Michael J. Tracey | 2022-02-22 |
| 11247872 | Elevator car door interlock | Michael J. Tracey | 2022-02-15 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11254542 | Car door interlock | Michael J. Tracey | 2022-02-22 |
| 11247872 | Elevator car door interlock | Michael J. Tracey | 2022-02-15 |