Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127769 | Stabilized backing ring and stabilizing ring therefor | Stephen E. Brister, Jeffrey W. Schumacher | 2015-09-08 |
| 9016950 | Stabilized backing ring and stabilizing ring therefor | Stephen E. Brister | 2015-04-28 |