Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815667 | Coated sheave | Xiaomei Yu, Yan Chen, Daniel V. Viens, John P. Wesson | 2017-11-14 |
| 9630806 | Sheave for an elevator system | John P. Wesson, Xiaomei Yu | 2017-04-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9815667 | Coated sheave | Xiaomei Yu, Yan Chen, Daniel V. Viens, John P. Wesson | 2017-11-14 |
| 9630806 | Sheave for an elevator system | John P. Wesson, Xiaomei Yu | 2017-04-25 |