Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230306 | Ceramic sootblower element | Eric A. Barringer, Herbert Feinroth, Donald L. Hindman, Roy R. Ramey, Gregory A. Parkin | 1993-07-27 |
| 4419454 | Rapid-fire refractories | Helen H. Moeller | 1983-12-06 |
| 4257812 | Fibrous refractory products | Thomas A. Johnson | 1981-03-24 |