Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937601 | Retaining ring with Shaped Surface | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Stacy Meyer +12 more | 2018-04-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9937601 | Retaining ring with Shaped Surface | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Stacy Meyer +12 more | 2018-04-10 |