Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10024992 | Structural element for sonic tools and acoustic isolators | Chung Chang, Muralidhar Seshadri, Jean G. Saint Germain, Gary Kainer | 2018-07-17 |
| 9891336 | Acoustic isolator for downhole tools | Chung Chang, Abbas Arian, Gary Kainer, Arthur Cheng, Randall B. Jones | 2018-02-13 |