Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6698105 | Tool and method for measuring depth of countersunk portion of a hole | He Shen, Sheng Liu, Yong Zhao, Longhai Huang | 2004-03-02 |
GD
Guili Dong
Overall (All Time): #3,471,312 of 4,157,543Top 85%
1
Patents All Time