Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10723588 | System and method of measuring and diagnosing ride quality of an elevator system | Soumitra Borthakur, Jinho Song, Daniel Rush | 2020-07-28 |
| 10669124 | Elevator system including a protective hoistway liner assembly | Patricia Derwinski, Richard K. Pulling, Randy Roberts | 2020-06-02 |
| 10547917 | Ride quality mobile terminal device application | Jinho Song | 2020-01-28 |