Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349678 | Carbon black tailgas fueled reciprocating engines | Alvin E. Toombs | 2002-02-26 |
| 6182614 | Carbon black tailgas fueled reciprocating engines | Alvin E. Toombs | 2001-02-06 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6349678 | Carbon black tailgas fueled reciprocating engines | Alvin E. Toombs | 2002-02-26 |
| 6182614 | Carbon black tailgas fueled reciprocating engines | Alvin E. Toombs | 2001-02-06 |