Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407700 | Injector for calciner | Richard L. Davis, Harlan G. Graf, Don L. Edwards | 1983-10-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4407700 | Injector for calciner | Richard L. Davis, Harlan G. Graf, Don L. Edwards | 1983-10-04 |