Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11850703 | Method of forming retaining ring with shaped surface | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Stacy Meyer +12 more | 2023-12-26 |
| 11577361 | Retaining ring with shaped surface and method of forming | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Stacy Meyer +12 more | 2023-02-14 |