Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150488 | Multifunctional tool | Gu F. Yuan, Zhao Wei, Gu Z. Ying | 1992-09-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5150488 | Multifunctional tool | Gu F. Yuan, Zhao Wei, Gu Z. Ying | 1992-09-29 |