Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488900 | Method and apparatus for air purification | Charles J. Call, Mike Powell, Ezra Merrill, Alireza Shekarriz, Patrick Call | 2002-12-03 |
| 6469762 | Optically compensated splay mode LCD | Hyang Yul Kim, Seung Hee Lee | 2002-10-22 |