Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716027 | Semiconductor wafer boat having stackable independently replaceable boat parts and vertical heat-treating apparatus comprising the same | Bi-Cher Kim | 2004-04-06 |
| 4737695 | Air pump for aquarium | — | 1988-04-12 |