Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313829 | Method of determining drillstring bottom hole assembly vibrations | Yih-Min Jan | 1994-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5313829 | Method of determining drillstring bottom hole assembly vibrations | Yih-Min Jan | 1994-05-24 |