Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174378 | Microbial manipulations of surfactant-containing foams to reduce subterranean formation permeability | John William Costerton, Theodore Cyr, Sandra A. Blenkinsopp, Carol Patricia Anderson | 1992-12-29 |
| 4800959 | Microbial process for selectively plugging a subterranean formation | J. Costerton, Fraser A. MacLeod | 1989-01-31 |