Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10870953 | Sustainably constructed pavement, and methods and apparatus for constructing the same | Qingbin Cui, Xiaoyu Liu, DAVID F. CHOY | 2020-12-22 |
| 4189184 | Rotary drilling and extracting process | — | 1980-02-19 |