Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812372 | Refractory metal substrate and coatings therefor | — | 1989-03-14 |
| 4668262 | Protective coating for refractory metal substrates | — | 1987-05-26 |
| 4565676 | Method for treating exhaust gases | Mark A. Propster, Stephen Seng | 1986-01-21 |