Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496525 | Erosion resistant, ceramic fiber lining | Arthur A. Lietz, John R. Peterson | 1996-03-05 |
| 4656146 | Abrasion resistant refractory composition | John R. Peterson, James A. Caprio, Thomas R. Kleeb | 1987-04-07 |