Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927915 | Spring useful for elevator safety device | Enrico Manes, Xiaodong Luo, Shihemn Chen, Daryl J. Marvin, Michael A. Klecka +1 more | 2021-02-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10927915 | Spring useful for elevator safety device | Enrico Manes, Xiaodong Luo, Shihemn Chen, Daryl J. Marvin, Michael A. Klecka +1 more | 2021-02-23 |