Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386906 | Method for burning granular or pulverous materials and kiln plant thereof | — | 1983-06-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4386906 | Method for burning granular or pulverous materials and kiln plant thereof | — | 1983-06-07 |