Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795033 | Elevator car door interlock | Michael J. Tracey | 2023-10-24 |
| 11661315 | Monitoring system, elevator door system having monitoring system, and method | Michael J. Tracey | 2023-05-30 |
| 11655122 | Elevator door in interlock assembly | Michael J. Tracey | 2023-05-23 |