Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242098 | Transport of aqueous coal slurries | David B. Braun, Stephen Drap, Henry E. Fritz | 1980-12-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242098 | Transport of aqueous coal slurries | David B. Braun, Stephen Drap, Henry E. Fritz | 1980-12-30 |