Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821800 | Filtering media for controlling the flow of sand during oil well operations | Leslie A. Scott | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4821800 | Filtering media for controlling the flow of sand during oil well operations | Leslie A. Scott | 1989-04-18 |