Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336581 | System and method for reducing belt noise | David R. Polak, Christopher T. Chipman, Charles C. Coffin, John P. Wesson, Yan Chen +2 more | 2019-07-02 |
| 10329123 | Vibration damper for elevator linear propulsion system | — | 2019-06-25 |