Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9939579 | Multilayered optical structures | Xiangxin Bi | 2018-04-10 |
| 9884988 | Methods and compositions for use in oil and/or gas wells | Keith Ingram Dismuke, Randal M. Hill, Andrei Zelenev, James Silas, David Germack +12 more | 2018-02-06 |