Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881947 | High efficiency gasifier with recycle system | Virgil J. Flanigan | 1989-11-21 |
| 4804195 | High temperature sealing device | — | 1989-02-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881947 | High efficiency gasifier with recycle system | Virgil J. Flanigan | 1989-11-21 |
| 4804195 | High temperature sealing device | — | 1989-02-14 |