Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318933 | Carbon-containing carbon bonded refractories with improved physical properties | David R. Sundell | 1994-06-07 |
| 5252526 | Insulating refractory | — | 1993-10-12 |
| 5219807 | Burned high purity refractories with low soluble chromium | Stanley R. Pavlica | 1993-06-15 |
| 5214010 | Alumina-carbon compositions and slidegate plates made therefrom | — | 1993-05-25 |
| 4792538 | Spall resistant chrome-alumina refractory brick | Stanley R. Pavlica | 1988-12-20 |
| 4506022 | Slide Gates | David J. Michael | 1985-03-19 |