Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7141203 | Method of making a diffuser assembly | Billy Ray Bragg | 2006-11-28 |
| 6889964 | Diffuser | Billy Ray Bragg | 2005-05-10 |
| 6214078 | High temperature ceramic filter | Thomas J. Vlach, Michael J. Bulley | 2001-04-10 |
| 5863031 | Ceramic diffuser assembly | Richard K. Veeder, Richard J. Lorge | 1999-01-26 |