Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10145178 | Roller cone seal failure detection using an integrated computational element | Shilin Chen | 2018-12-04 |
| 9988850 | Symmetrical seal | Mark E. Williams, Young-Ho Lee, David P. Duckworth, Zhaohui Shan | 2018-06-05 |