Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5964809 | Polyetheretherketone (PEEK) retaining ring for an acetabular cup assembly | Ruey Y. Lin, Ashok K. Chopra, Bernard Silverstein | 1999-10-12 |
| 5782930 | Polyetheretherketone (PEEK) retaining ring for an acetabular cup assembly | Ruey Y. Lin, Ashok K. Chopra, Bernard Silverstein | 1998-07-21 |