Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699950 | Ultrasonic vibration welder | — | 1997-12-23 |
DJ
Deok-Hwan Jang
Overall (1997): #160,144 of 185,788Top 90%
1
Patents 1997