Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10799875 | Vertical ball mill with internal materials flow conduit | Xiaoqi Stephen Fang, Chien-Ee Ng, Calin Sarban | 2020-10-13 |
| 10058872 | Vertical ball mill with internal materials flow conduit | Xiaoqi Stephen Fang, Chien-Ee Ng, Calin Sarban | 2018-08-28 |