Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7825052 | Refractory material for reduced SiO2 content | Leonard J. Reinhart, Richard F. Wilk, Jr. | 2010-11-02 |
| 6354831 | Porous gas burner | Richard F. Wilk, Jr., Richard M. Ludwig | 2002-03-12 |