Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800959 | Microbial process for selectively plugging a subterranean formation | J. Costerton, Fraser A. MacLeod | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4800959 | Microbial process for selectively plugging a subterranean formation | J. Costerton, Fraser A. MacLeod | 1989-01-31 |