Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10301932 | Ultrasonic casing and cement evaluation method using a ray tracing model | Yibing Zheng, Tatiana Gilstrap, Arthur Cheng, Robert Eric Epstein, Zhijuan Zhang | 2019-05-28 |
| 10202846 | Stoneley wave based pipe telemetry | Roland E. Chemali, Ronald Johannes Dirksen, Paul F. Rodney, Arthur C. H. Cheng | 2019-02-12 |