Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5133286 | Substrate-heating device and boat structure for a vacuum-depositing apparatus | Ie H. Song | 1992-07-28 |
DC
Dhe H. Choo
Overall (All Time): #3,855,642 of 4,157,543Top 95%
1
Patents All Time