Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193804 | Apparatus and method for sealing a vacuum chamber | Hao-Wei Chang, Jen Shang Fang | 2001-02-27 |
CH
Ching-Kun Hung
Overall (All Time): #3,573,627 of 4,157,543Top 90%
1
Patents All Time