Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396395 | Method and apparatus for contacting particulate coal and a deactivating fluid | J. David Matthews | 1983-08-02 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396395 | Method and apparatus for contacting particulate coal and a deactivating fluid | J. David Matthews | 1983-08-02 |