Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9272385 | Multi-carriage dual-spindle symmetrical grinding processing center | Tianrun Guo | 2016-03-01 |
| 8784155 | Multi-carriage symmetrical numerically controlled coordinate grinding machine | Tianrun Guo | 2014-07-22 |