Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833915 | Method and apparatus for detecting formation hydrocarbons in mud returns, and the like | Frederick J. Radd | 1989-05-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833915 | Method and apparatus for detecting formation hydrocarbons in mud returns, and the like | Frederick J. Radd | 1989-05-30 |