Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238238 | Calcining kettle having means for returning stack exhaust gas to calcining mixture | Robert E. McCleary | 1980-12-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4238238 | Calcining kettle having means for returning stack exhaust gas to calcining mixture | Robert E. McCleary | 1980-12-09 |