Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665985 | Reversible plugging of oil bearing formations | Gerard Berrod, Robert J. Maurer, Jean-Louis Brun, Pierre-Mar Allemand | 1987-05-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665985 | Reversible plugging of oil bearing formations | Gerard Berrod, Robert J. Maurer, Jean-Louis Brun, Pierre-Mar Allemand | 1987-05-19 |