Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10113107 | Method for preparing self-suspending fracturing proppant | Minjie Rong, Qinghua Yu | 2018-10-30 |
| 9973157 | Method and apparatus for achieving high-output signal swing from class-D amplifier | Peter J. Frith, A. Martin Mallinson, Robert Lynn Blair | 2018-05-15 |