Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701959 | Downhole tool apparatus and method of limiting packer element extrusion | Donald F. Hushbeck, Yusheng Yuan | 1997-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701959 | Downhole tool apparatus and method of limiting packer element extrusion | Donald F. Hushbeck, Yusheng Yuan | 1997-12-30 |