Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896725 | In-well heat exchange method for improved recovery of subterranean fluids with poor flowability | Marvin T. Parker | 1990-01-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4896725 | In-well heat exchange method for improved recovery of subterranean fluids with poor flowability | Marvin T. Parker | 1990-01-30 |